Articles referenced below:
Battery-free Android tablet modification
How to remove and replace the Decent tablet stand
How to replace the mirror on your Decent Espresso Machine
How to replace the O-Ring in your Decent water tube
How to replace the DE1 pressure sensor
How to replace the DE1 manifold
How to manually fill the F-type tube (pump prime failure fix)
How to clean and replace the drain valve
How to replace the DE1 AC board
How to replace the DC board
How to replace the DE1 uptake group
How to replace the water level sensor
Pump replacement instructions
How to replace the P6 sensor
How to replace the P10 sensor
How to replace the O-rings in the brown and black tube connectors
How to apply grease to the steam wand
How to replace the steam wand
How to replace the leg base
How to replace the feet of your Decent Espresso Machine
How to replace the DE1 front button
How to replace your steam tip
How to replace your steam wand with the BengleWand on v1.46 DE1 models
How to replace the DE1 wand with the BengleWand on V1.1 DE1 models
How to replace the DE1 wand with the BengleWand on V1.0 and V1.3 - V1.45 DE1 machines
How to replace the flow meter (machines pre v1.4)
How to change the O-rings on a steam wand tip
How to replace the steam wand sleeve
Solution if you removed the steam wand tip and accidentally made your steam wand "hot touch" by dislodging the steam tube
How to replace the fuse
How to replace your gasket
Water level sensor calibration (for v1.0 to v1.3 machines)
Group head controller upgrade (for v1.1 machines)
DE1XL internal panel refit
How to check for fan power connectivity (reconnect the fan connector)
#repair #howto #guide #DIY #overview
Meet our DIY repair guides
This page provides comprehensive DIY repair guides for Decent Espresso machines. It includes step-by-step instructions for replacing internal components like sensors, boards, pumps, and manifolds, as well as maintenance tasks for tablets, steam wands, and O-rings. These resources help owners perform hardware fixes and ensure long-term machine functionality.
1. Battery-free Android tablet modification
Source: Battery-free Android tablet modification
To address battery degradation and swelling caused by constant charging, Decent Espresso offers a battery-free modification for Android tablets. Approximately 30% of customers have experienced tablet battery failure, a common issue for devices used as permanent displays.
The Solution: Decent provides a DIY kit for customers comfortable with soldering. The process involves removing the lithium battery and replacing it with a small circuit board featuring capacitors. This board mimics a battery's presence, allowing the tablet to run safely and indefinitely on direct USB power without the risk of heat-related swelling or chemical degradation.
Company Policy and Prevention:
Replacements: Decent offers free tablet replacements under warranty.
Firmware Fix: Recent custom tablets now include "smart charging" firmware (similar to iPads) to limit voltage.
App Updates: The DE1 app now includes software-level smart charging to protect older tablets.
Because tablets have a lower life expectancy (3–5 years) than the espresso machine itself, this modification ensures the control interface matches the longevity of the hardware.
2. How to remove and replace the Decent tablet stand
Source: How to remove and replace the Decent tablet stand
To upgrade to a newer or faster tablet, you must transfer the stand from the old device to the new one. This guide explains how to perform the swap safely using common household tools like a hair dryer and a butter knife.
Removal Process
The stand is attached with a strong adhesive. To remove it:
1. Heat: Use a hair dryer to warm the adhesive, making it pliable.
2. Separate: Carefully slide a knife between the stand and the tablet, applying gentle leverage while continuing to apply heat until the stand detaches.
3. Clean: Peel away any leftover residue (similar to removing Blu Tack).
Installation Process
1. Prep: Apply a new adhesive strip to the stand first (usually the yellow side).
2. Align: Carefully center the new tablet onto the stand before removing the final backing.
3. Secure: Once aligned, press the tablet firmly against the stand to ensure a long-lasting bond.
This modular design ensures that while tablet technology evolves every few years, the espresso machine hardware remains a permanent fixture in your setup.
3. How to replace the mirror on your Decent Espresso Machine
Source: How to replace the mirror on your Decent Espresso Machine
Because the mirrors can scratch or degrade over time, they are designed for easy replacement. Notably, Decent Espresso provides free replacements under warranty, even for accidental damage.
Replacement Process
Refreshing your machine takes only a few minutes using a hairdryer and a knife (or tweezers):
Removal: Use the hairdryer to heat and loosen the double-sided tape adhesive.
Prying: Gently lift the old mirror lip away.
Cleaning: Remove any leftover residue with a citrus-based solution or adhesive remover.
Application: Align the new mirror lip and press it firmly into place, ensuring no air bubbles are trapped.
This simple maintenance task ensures your machine remains both functional and visually polished.
4. Video: How to replace the o-ring in your Decent water tube
Source: How to replace the O-Ring in your Decent water tube
Decent Espresso machines utilize a specialized connector system—originally developed by Nestlé—that uses silicone O-rings inside Teflon tubing. Unlike traditional threaded or welded connectors, this design is exceptionally resistant to leaks caused by thermal cycling.
While the system is highly reliable, leaks can occasionally occur due to calcium buildup, debris, or the silicone hardening over time (typically after a decade of use).
Key Maintenance Steps
The replacement or cleaning process is a quick DIY task requiring only a pair of common tweezers:
Disassembly: Use tweezers to pull out the metal securing pin and remove the small O-ring from the tubing.
Inspection: Often, the O-ring simply needs to be washed to remove mineral deposits. If the ring is physically damaged or brittle, it should be replaced.
Reassembly: Clean the area, reseat the O-ring, and secure the metal clip to restore a perfect seal.
By focusing on the O-ring rather than replacing the entire water tube, Decent ensures a sustainable and cost-effective fix for their users.
5. How to replace the DE1 pressure sensor
Source: How to replace the DE1 pressure sensor
Replacing the DE1 pressure sensor is a manageable DIY repair, though it must be done in consultation with Decent Tech Support to protect your warranty. Failures are rare and usually stem from O-ring leaks or internal sensor wear.
Preparation & Tools
You will need T10/T20 Torx drivers, a PH2 screwdriver, hex keys, and pointy tweezers. Always unplug the machine and remove the tablet stand, water tank, and drip tray before starting.
Key Steps
1. Access: Remove the main cover (8 screws) and the internal chassis screws to reach the manifold.
2. Disconnect: Unplug the brown temperature cable for better access. Use tweezers to carefully remove the pressure sensor's Molex connector.
3. Removal: Unscrew the manifold bracket, holding the sensor from below to prevent it from dropping. Lift out the old sensor and its O-ring.
4. Installation: Seat the new sensor with its pre-installed O-ring. Secure the bracket, then carefully re-align and press the delicate cable connectors back into the board.
5. Reassembly: Reattach the manifold, chassis, and outer shell.
Ensuring the O-ring is seated perfectly and the tiny cable pins are aligned is critical for a leak-free, functional repair.
6. How to replace the DE1 manifold
Source: How to replace the DE1 manifold
The manifold is the "traffic control" center of the DE1, directing water while measuring temperature and pressure. Replacement is typically necessary if the manifold cracks, a valve fails, or the manifold board malfunctions. Decent notably extended the warranty for this part to five years on early models due to heat-cycling issues.
Preparation & Tools
You will need T10/T20 Torx drivers, a PH2 Phillips screwdriver, various hex keys, and both straight and angled tweezers. Before starting, power down, unplug the machine, and remove the tablet stand, water tank, and outer casing.
Key Steps
1. Disconnection: Carefully unplug the sensor cables (color-coded: brown, blue, gray, purple, and black) and the four main board cables using tweezers or fingernails.
2. Tubing: Remove the purple, silicon, and various colored water tubes. Use a thin tool to separate any parts stuck to rubber pads.
3. Removal & Swap: Lift out the manifold assembly. If only replacing the Mix/Aux manifold, unscrew the bracket and swap the components, ensuring all O-rings are replaced.
4. Reassembly: Seat the manifold, reconnect the 8-pin valve power and sensor cables, and firmly press the tubes back into their connectors.
5. Testing: Perform a "Forward Flush" to check for leaks before closing the chassis.
7. How to manually fill the F-type tube (pump prime failure fix)
Source: How to manually fill the F-type tube (pump prime failure fix)
Manual priming of the F-type tube is necessary if your pumps are rattling but failing to draw water, often indicated by the final yellow light on the Group Head Controller (GHC) failing to illuminate. This method is more effective than the older "upside-down" priming technique.
Preparation
Consult Decent Tech Support before proceeding. You'll need a T10 Torx driver, PH2 Phillips screwdriver, pliers, nippers, and a syringe. Power down the machine, unplug it, and remove the tablet stand, water tank, and outer cover.
The Priming Process
1. Access: Locate the intake pipe. Use pliers to release the hose clamp from the F-type tube and temporarily disconnect the water level sensor tube for better access.
2. Injection: Fill a syringe with water. Turn the machine on to initiate the pump-running cycle. Hold the F-type tube upright and gently inject water directly into it.
3. Observation: If successful, the pumps will draw the water in, the machine will complete its boot cycle, and begin preheating.
4. Reassembly: Reconnect the tubes, secure the F-type tube with the hose clamp and a new cable tie, and perform a final power-on test.
8. How to clean and replace the drain valve
Source: How to clean and replace the drain valve
Maintaining the drain valve is essential for proper pressure management in Decent Espresso machines. You should service the valve if it remains open during shots or fails to open afterward, leaving pressure trapped in the group head.
Repair Overview
Always consult Decent tech support before beginning to ensure warranty compliance. The process requires a T10 Torx screwdriver and involves these key phases:
1. Removal: Disconnect the machine from power. Remove the main cover, mounting screws, and the purple, black, and return tubes. Unplug the drain valve cable and remove the ground cables to lift out the assembly.
2. Cleaning: Disassemble the valve body from the coil and housing. Inspect the internal components for scale or debris. Clean the parts thoroughly; if decalcifying fails to restore function, the valve must be replaced.
3. Reassembly: Reinstall the valve into the drain box, reconnect the electrical leads (ensuring ground cables are secure), and reattach the tubing. Use a gentle circular motion when reinserting tubes to avoid damaging the O-rings.
Proper maintenance prevents excessive waste water and ensures the machine's safety features function correctly.
9. How to replace the DE1 AC board
Source: How to replace the DE1 AC board
Replacing the AC board is a critical repair for resolving power issues with high-voltage components. Because this board carries lethal voltage, you must only perform this task under the direct guidance of Decent Tech Support.
Preparation & Tools
Required tools include T10 Torx and PH2 Phillips screwdrivers, an adjustable wrench (for XL/XXL models), pliers, and nippers. Before starting, ensure the machine is unplugged and external components (tablet stand, water tank, drip tray) are removed.
Key Steps
1. Access: Remove the main cover and the "boardroom" lid. On XL/XXL models, you must use a wrench to remove the standoffs and the intake pipe knob to release the back panel.
2. Disconnection: Carefully unplug the ribbon cable and various AC connectors by pressing their release clips. Use pliers to disconnect the red relay wire and the black power switch wire.
3. Wiring: A specific T-tap connector for the black/blue tube must be opened to swap the metal blade and wires to the new board. Secure this with a new cable tie.
4. Installation: Reconnect the power wires and ribbon cable, ensuring all pins are fully seated. Secure the board with its five screws, tightening them halfway first to ensure alignment.
5. Reassembly: Carefully tuck wires to avoid pinching when reinstalling the PSU chassis and outer panels.
10. How to replace the DC board
Source: How to replace the DC board
Replacing the DC board is a specialized repair typically required if your Decent Espresso machine fails to boot up or experiences control-related electronics issues. As with other internal repairs, this should only be performed after consulting Decent Tech Support.
Tools & Preparation
You will need a T10 Torx screwdriver, PH2 Phillips screwdriver, and pointy tweezers. Begin by disconnecting the power, removing the tablet stand, water tank, and the machine's main cover to access the "boardroom" enclosure.
Key Steps
1. Access: Remove the boardroom lid and the internal chassis to expose the DC board, which sits near the AC board and power supply.
2. Disconnection: Use tweezers to carefully unplug the numerous small sensor and communication cables. A critical step involves wiggling out the ribbon cable that bridges the AC and DC boards.
3. Replacement: Unscrew the old board from its standoffs, swap in the new unit, and secure it.
4. Reconnection: Carefully re-insert all cables, ensuring the ribbon cable pins are perfectly aligned and fully seated to prevent communication errors.
5. Reassembly: Reinstall the chassis and covers, ensuring no wires are pinched.
Successful replacement restores the "brain" of the machine, enabling proper communication between the tablet app and the hardware.
11. How to replace the DE1 uptake group
Source: How to replace the DE1 Uptake Group
The Uptake Group includes the uptake pipe, water level pipe, and water level sensor. Replacement is typically recommended if the metal pipes show heavy scale buildup or discoloration. As this repair involves accessing areas near high-voltage components, it should only be performed in consultation with Decent Tech Support.
Tools & Preparation
You will need T10 and T20 Torx drivers, a PH2 Phillips screwdriver, pliers, and angled tweezers. Before starting, power down the machine, unplug it, and remove the tablet stand, water tank, and outer covers.
Key Replacement Steps
1. Disassembly: Remove the boardroom lid and the internal chassis. Unscrew the guide rod bracket (top and back screws) to release the uptake assembly.
2. Disconnection: Unplug the water level sensor cable from the board. Use pliers to release the hose clamp from the intake pipe and disconnect the F-type tube and water level sensor tube.
3. Installation: Connect the new F-type and water level tubes to their respective barb connectors. Reattach the hose clamp and plug the sensor cable back into the board.
4. Reassembly: Slide the new uptake group onto the guide rod, secure the bracket (ensure the washer is used on the center screw), and reinstall the internal chassis and external panels.
12. How to replace the water level sensor
Source: How to replace the water level sensor
The Water Level Sensor—comprising the sensor board, tube, and cable—needs replacement if your water level readings remain stuck despite changes in the tank. Because this repair requires accessing the high-voltage "boardroom," it must only be performed in consultation with Decent Tech Support.
Tools & Preparation
You will need T10/T20 Torx and PH1/PH2 Phillips screwdrivers, tweezers, nippers, and replacement cable ties. Power down, unplug the machine, and remove the tablet stand, water tank, and outer covers.
Key Replacement Steps
1. Access: Remove the boardroom lid, internal chassis, and back panel. Unscrew the guide rod bracket to lift the uptake group.
2. Removal: Unplug the sensor cable from the DC board. Disconnect the sensor tube from the plastic and metal barbs, then unscrew the two PH1 screws to remove the sensor board.
3. Installation: Fasten the new sensor board and route the cable through the grommet, securing it with cable ties. Reconnect the tube to the barbs using the provided clip for a secure seal.
4. Reassembly: Slide the uptake group back onto the guide rod, reinstall the bracket (with its washer), and replace all internal and external panels.
13. Pump replacement instructions
Source: Pump replacement instructions
Replacing the DE1 pumps is a comprehensive DIY task that restores pressure and flow. This repair requires a T10 Torx, PH2 Phillips, 5.5mm hex nut driver, pliers, and an adjustable wrench. Always disconnect power and remove the water tank and main cover before starting.
Removal
1. Disconnect: Unplug pump power cables (pressing the locking clips), remove the F-type tube clamps, and detach the yellow/green tube clips.
2. Detach Assembly: Unscrew the four 5.5mm hex nuts to pull the pump frame from the chassis.
3. Disassemble: Unscrew the L-shaped connectors (stabilize the cylinder with a wrench if it spins). Pop the pumps out of their rubber mounting pads and remove the internal springs.
Installation
1. Mount: Insert new pump cylinders through the bottom rubber pads, compress the springs into place, and secure the pump tops into the upper pads.
2. Connect: Reinstall L-connectors and adjust their angles to prevent tube strain. Replace old O-rings with new ones on the yellow/green tubes before reseating them.
3. Finalize: Re-bolt the assembly to the chassis. Reconnect power cables—Red for the hot pump (left) and Blue for the cold pump (right)—and secure the F-type tube.
14. How to replace the P6 sensor
Source: How to replace the P6 sensor
The P6 Sensor measures group head temperature. It typically requires replacement if readings become erratic or if the probe was accidentally crushed during previous maintenance. Decent recommends flipping the machine upside down during this repair to ensure the group head parts align perfectly without pinching the delicate sensor.
Preparation & Tools
You will need T10 Torx and PH1 Phillips screwdrivers, angled tweezers, nippers, and cable ties. After consulting Decent Tech Support, unplug the machine and remove the water tank, tablet stand, and main cover.
Key Steps
1. Access: Flip the machine onto a soft cloth and remove the five T10 screws under the group head. Return the machine to an upright position to lift off the group head cover and insulation plate.
2. Removal: Unscrew the sensor bracket and unplug the cable from the manifold PCB. Cut the cable ties to pull the old sensor through the chassis.
3. Installation: Fit a new O-ring onto the new sensor probe, seat it in the bracket, and route the cable back to the manifold.
4. Reassembly: Secure cables with new ties, ensuring the ground wire isn't pinched. Re-flip the machine to tighten the five bottom screws, starting halfway to ensure perfect alignment.
15. How to replace the P10 sensor
Source: How to replace the P10 sensor
The P10 sensor monitors metal temperature; if your machine heats up but the app remains stuck on "WAIT," this sensor likely needs replacement. As with all Decent internal repairs, perform this only after consulting tech support to protect your warranty.
Tools & Preparation
You'll need a T10 Torx, PH2 Phillips, adjustable wrench, and nippers. Power down, unplug, and remove the tablet stand, water tank, and main cover before accessing the "boardroom."
Key Steps
1. Access: Flip the machine onto a soft cloth, remove the five group head support screws, then return it upright to lift the group head cover and insulation.
2. Removal: Cut the cable ties and unplug the sensor from the manifold board. Use the adjustable wrench to loosen the old sensor, rotating the cable along with the head to prevent twisting.
3. Installation: Hand-thread the new P10 sensor, then snug it with the wrench (avoid overtightening). Route and plug the cable into the manifold board.
4. Reassembly: Secure wires with new cable ties and ensure no ground wires are pinched. Re-flip the machine to align and tighten the five bottom group head screws.
16. How to replace the O-rings in the brown and black tube connectors
Source: How to replace the O-rings in the brown and black tube connectors
Leaking from the brown or black tubes usually indicates damaged O-rings. If left unaddressed, moisture can soak the insulation and short the GHC board, leading to "ghost-tap" screen issues. This repair should only be performed in consultation with Decent Tech Support.
Tools & Preparation
You will need T10 Torx and PH2 Phillips screwdrivers, angled tweezers, and a soft cloth. Power down, unplug, and remove the tablet stand, water tank, and main cover.
Key Steps
1. Access: Flip the machine onto a cloth and remove the five group head support screws. Return it upright to lift the group head cover and insulation.
2. Removal: Use tweezers to pull the securing clips. Remove the tubes and pry out the old O-rings from the group head and manifold connectors.
3. Installation: Place new O-rings onto the tube ends. Re-insert the tubes into the connectors using a gentle circular motion until the brass ends are no longer visible. If they don't slide in smoothly, the O-ring may be tilted; reseat and try again.
4. Reassembly: Reinstall the clips, organize the insulation (ensuring no pinched wires), and re-secure the group head by flipping the machine to align the five bottom screws.
17. How to apply grease to the steam wand
Source: How to apply grease to the steam wand
If your steam wand movement becomes stiff or jerky, it likely needs a fresh application of high-temperature, food-grade lubricant (rated for over 200°C). This simple maintenance task restores the smooth "ball-joint" action of the wand.
Preparation & Tools
You will need two adjustable wrenches (or 22mm and 26mm fixed wrenches), food-grade grease, and comfort-grip gloves. Ensure the machine is unplugged and the steam wand has cooled completely to avoid burns.
Key Steps
1. Disassembly: Use one wrench to stabilize the outer nut while using the second to loosen the ball joint nut. Once loose, unscrew it by hand to reveal the internal spring and joint.
2. Lubrication: Wipe the parts clean with a cloth. Apply a thin layer of grease to the rounded "ball" end of the steam wand and the tip of the spring where it meets the joint.
3. Reassembly: Place the spring and joint back into the housing. Press the steam wand against the spring to compress it, then hand-thread the nut.
4. Securing: Finish by tightening the nut firmly with the wrenches.
18. How to replace the steam wand
Source: How to replace the steam wand
Replacing the steam wand is a standard mechanical repair for Decent Espresso machines. Because it involves internal access, always consult Decent Tech Support before beginning to ensure warranty compliance.
Tools & Preparation
You will need a T10 Torx screwdriver, PH2 Phillips screwdriver, pointy tweezers, and two adjustable wrenches (or 25mm and 26mm fixed wrenches). Power down, unplug the machine, and remove the tablet stand, water tank, and main cover.
Key Steps
1. Removal: Use the wrenches to loosen the internal and external nuts. Inside the machine, use tweezers to remove the clip securing the steam tube and pull the tube out. Unscrew the brass nut by hand and pull the old wand and its white spacer out.
2. Installation: Insert the new wand through the chassis hole and replace the white spacer and brass nut inside.
3. Connection: Fit a new O-ring onto the steam tube. Re-insert the tube into the connector with a gentle circular motion until seated.
4. Finalizing: Align the clip slot vertically by turning the outside nut, then reinstall the securing clip. Finish by tightening the internal nut firmly with the wrenches.
19. How to replace the leg base
Source: How to replace the leg base
Replacing the leg base on a Decent Espresso machine is a straightforward structural repair. As with all internal or chassis-related tasks, perform this only after consulting Decent Tech Support to ensure your warranty remains valid.
Preparation & Tools
You will need a T10 Torx screwdriver and either a PH2 Phillips or T20 Torx screwdriver, depending on your machine's specific hardware. Before starting, power down, unplug the machine, and remove the tablet stand, water tank, drip tray, and portafilter.
Key Steps
1. Safety: Place a soft cloth on your workspace and rotate the steam wand to a horizontal position to protect it.
2. Positioning: Carefully flip the machine upside down, supporting both the leg and the top cover during the transition.
3. Removal: Unscrew the four screws securing the base to the bottom chassis and lift the old leg base away.
4. Installation: Align the four spacers with the holes on the bottom chassis. Place the new base on top; you can use a T10 screwdriver as an alignment tool to center the holes.
5. Securing: Tighten the first three screws halfway to ensure everything is level, then fully tighten all four screws before returning the machine to its upright position.
20. How to replace the feet of your Decent Espresso Machine
Source: How to replace the feet of your Decent Espresso Machine
Replacing the feet on a Decent Espresso machine is a simple maintenance task to ensure stability. As with all repairs, consult Decent Tech Support first to maintain your warranty.
Preparation & Tools
You will need a PH2 Phillips or T20 Torx screwdriver. Before starting, power down and unplug the machine. Remove the tablet stand, water tank, drip tray, and portafilter.
Key Steps
1. Safety: Place a soft cloth on the counter and rotate the steam wand horizontally. Carefully flip the machine upside down, supporting the leg and top cover.
2. Removal: Pull the old foot out of the leg base using a gentle circular motion. To remove the internal metal insert, push a screwdriver through the bottom of the foot until the insert pops out the other side.
3. Installation: Push the new foot's top cylinder into the mounting hole until it is no longer visible.
4. Securing: Insert the metal insert (wide end first) into the center of the foot. Use your screwdriver to push it fully into place until it is flush and secure.
21. How to replace the DE1 front button
Source: How to replace the DE1 front button
Replacing the front button on a Decent Espresso machine is necessary if the switch becomes unresponsive or malfunctions. Decent provides a specialized nut removal tool with the replacement part to facilitate this repair. As always, consult tech support before opening the machine to protect your warranty.
Preparation & Tools
You will need a T10 Torx screwdriver, PH2 Phillips screwdriver, flat-tip tweezers, and the provided nut removal tool. Power down, unplug, and remove the tablet stand, water tank, and main cover.
Key Steps
1. Access: Remove the side chassis and boardroom lid. Unscrew the two manifold screws to reach the button assembly.
2. Removal: Unplug the button connector. Use a T10 screwdriver as a lever through the nut removal tool to loosen the internal nut. Remove the nut and O-ring, then push the button out through the front.
3. Installation: Place the O-ring on the new button and insert it from the front. Secure the nut with the removal tool.
4. Alignment: Before final tightening, check that the power icon on the button is perfectly vertical.
5. Finalizing: Reconnect the cable, test the button's tactile function, and reassemble the chassis.
22. How to replace your steam tip
Source: How to replace your steam tip
To replace the steam tip on a Decent Espresso machine, follow these simple steps:
1. Prepare Tools: Put on comfort grip gloves to protect your hands and prevent slipping.
2. Loosen the Tip: Unscrew the steam tip counterclockwise using your fingers (or pliers, taking care not to scratch the finish) until it fully releases from the threads.
3. Secure the Internal Tube: Before fully pulling the tip away, gently press a flat, dull tool—such as a spoon or a butter knife—against the internal Teflon tube inside the wand. This blocks the tube and prevents it from spinning or being accidentally pulled out of the machine.
4. Remove the Old Tip: Carefully slide the old steam tip completely off the wand.
5. Inspect & Install: Verify that both O-rings are properly positioned on the wand. Push the new steam tip (such as a single-hole or three-hole tip) onto the end of the wand and hold the wand stable if necessary.
6. Tighten: Screw the new tip on clockwise until it is completely tight and secure.
Once tightened, the replacement is complete, and you can immediately return to steaming milk.
23. How to replace your steam wand with the BengleWand on v1.46 DE1 models
Source: How to replace your steam wand with the BengleWand on v1.46 DE1 models
This guide details how to replace the stock steam wand on Decent Espresso v1.46 models (DE1PRO, DE1XL, DE1XXL) with the BengleWand. Required tools include a T10 Torx screwdriver, straight tweezers, two adjustable wrenches (or 25mm and 26mm), and nippers.
1. Preparation & teardown
Power: Turn off the back switch and unplug the power cord (remove the back panel first on XL/XXL models).
External components: Disconnect and remove the tablet stand, drip tray, drip tray cover, portafilter, and group head handle.
Main cover: Use the T10 screwdriver to remove 8 screws, gently stretch the cover's sides outward, and lift it off.
2. Removing the old wand
Remove the internal securing clip and pull out the 90º angled fitting with the tube.
Hold the outside nut (26mm) and inside nut (25mm) with wrenches to loosen them. Finish unscrewing the inside nut by hand.
Pull the steam wand out from the exterior and remove the remaining internal white spacer.
3. Installing the BengleWand
Unscrew the brass nut from the BengleWand, insert the wand through the chassis hole, and tighten the brass nut with a 25mm wrench.
Place a new O-ring on the 90º angled fitting, push the fitting into the connector, and reinstall the clip.
24. How to replace the DE1 wand with the BengleWand on V1.1 DE1 models
Source: How to replace the DE1 wand with the BengleWand on V1.1 DE1 models
This guide provides step-by-step instructions for upgrading version 1.1 Decent Espresso (DE1) machines with the new BengleWand.
Preparation: Unplug the machine, remove the drip tray, portafilter, and group head handle.
Disassembly: Unscrew the eight main cover screws using a T10 Torx screwdriver and lift the cover off.
Wand Removal: Use tweezers to remove the steam tube clip, then loosen the nuts with 25mm and 26mm spanners to pull the original wand out.
Rerouting: Detach the flow meter and its bracket to properly route the new steam tube through the manifold bracket.
Installation: Insert the BengleWand into the front panel, tighten the internal nut, push the O-ring-fitted tube into the connector, and secure it with the locking clip.
25. How to replace the DE1 wand with the BengleWand on V1.0 and V1.3 - V1.45 DE1 machines
Source: How to replace the DE1 wand with the BengleWand on V1.0 and V1.3 - V1.45 DE1 machines
This guide provides step-by-step instructions for upgrading version 1.0 and 1.3–1.45 Decent Espresso (DE1) machines with the new BengleWand:
Preparation: Unplug the machine, disconnect the tablet stand (slide or screw type), and remove the drip tray and portafilter.
Disassembly: Remove the eight T10 Torx screws to lift off the main cover.
Wand Removal: Disconnect the steam tube clip using tweezers, then loosen the retention nuts with 25mm and 26mm spanners to pull out the old wand.
Installation: Route the new steam tube through the sleeve and manifold bracket, mount the BengleWand to the front panel, tighten the inner nut, and lock the O-ring-fitted tube into place with the clip.
26. How to replace the flow meter (machines pre v1.4)
Source: How to replace the flow meter (machines pre v1.4)
This guide outlines the maintenance process for replacing the flow meter in older Decent Espresso machine models (pre-v1.4).
Access Internal Components: Begin by opening the machine's external cover and internal chassis.
Disconnect Old Flow Meter: Carefully disconnect the existing flow meter assembly from its wiring harness and plumbing tubes.
Install Replacement Set: Fit the replacement flow meter set into the bracket, ensuring all plumbing connections are completely secure to prevent water leaks.
Reassemble Machine: Reconnect the internal wiring, fasten the outer panels back into place, and test the machine to ensure proper function.
27. How to change the O-rings on a steam wand tip
Source: How to change the O-rings on a steam wand tip
This guide explains how to replace the o-rings on a Decent Espresso steam wand tip to fix or prevent leaks.
Remove Wand Parts: Unscrew the tip from the steam wand.
Remove Old O-Rings: Use a toothpick or small pick tool to lift and remove the worn o-rings from their grooves on the metal barrel.
Install New O-Rings: Roll the replacement high-temperature o-rings into the empty grooves, ensuring they sit completely flush without twisting.
Reassemble: Screw the tip firmly back onto the wand.
28. How to replace the steam wand sleeve
Source: How to replace the steam wand sleeve
If you want to buy your own steam wand sleeve, 9mm, 10mm and 11mm internal diameter works fine.
To remove the old steam wand sleeve, you need to either heat a knife on a gas hob, or use a "hot knife cutting machine." Then, cut the old steam wand sleeve in a straight line.
The secret to sliding it on the steam wand is dilute liquid hand soap. Put that all over the inside of the tube, and all over the steam wand too. Once the guard is in place, you can wash the soap off.
29. Solution if you removed the steam wand tip and accidentally made your steam wand "hot touch" by dislodging the steam tube
Solution if you removed the steam wand tip and accidentally made your steam wand "hot touch" by dislodging the steam tube
To resolve this issue, you have to screw off the steam wand and re-seat the O-ring as shown in the video in this article, starting at 1:10.
30. How to replace the fuse
Source: How to replace the fuse
Turn off your machine and remove the power cable. Then, remove the little compartment next to the socket and remove the fuse. Seat the new fuse into its place, close the lid and you're good to go!
31. How to replace your gasket
Source: How to replace your gasket
1. Slide the gasket removal tool through the outside edge of the gasket.
2. Push it up,
3. Then rotate the tool so that the edge of the tool catches the top of the gasket.
4. Then pull down.
32. Water level sensor calibration (for v1.0 to v1.3 machines
Source: Water level sensor calibration (for v1.0 to v1.3 machines)
Decent Espresso v1.0-1.3 machines use air pressure to gauge water levels. False "empty" readings can occur from pressure loss, heat, or deep tanks.
You can quickly reset the sensor by simply lifting and lowering the water uptake assembly.
To permanently recalibrate the assembly:
Remove the outer case and loosen the tubes' grub screws.
Place two plastic cards as a 2mm spacer inside the empty tank.
Secure the tubes at this exact height to ensure maximum drawdown without scraping the ceramic tank.
33. Group head controller upgrade (for v1.1 machines)
Source: Group head controller upgrade (for v1.1 machines)
This video shows the entire process of how to upgrade your v1.1 machine to the group head controller (GHC).
34. DE1XL internal panel refit
Source: DE1XL internal panel refit
This post shows how to install the internal DE1XL back panel refit.
35. How to check for fan power connectivity (reconnect the fan connector)
Source: How to check for fan power connectivity (reconnect the fan connector)
This technical guide outlines how to fix a non-spinning fan on a Decent Espresso machine caused by a loose power cable.
Step 1: Unplug the machine completely from the wall for safety.
Step 2: Remove the outer cover by unscrewing the eight T10 Torx screws (four on each side).
Step 3: Peel back the tape securing the internal PCB compartment cover to open it.
Step 4: Locate the fan connector on the bottom-left corner of the DC PCB board.
Step 5: For better visibility and physical access to reconnect the wire, remove the three Phillips screws on the side panel and gently lay the power supply panel down.