Difficulty

Moderate

Steps

24

Time Required

Suggest a time??

Sections

5

  • DeLonghi ETAM Opening side panels
  • 7 steps
  • DeLonghi ETAM series top removal
  • 2 steps
  • DeLonghi ETAM series control panel removal
  • 2 steps
  • Replace top brewing piston
  • 8 steps
  • Repair upper brewing piston
  • 5 steps

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Introduction

What you need

Step 1

              DeLonghi ETAM Opening side panels
  • Disconnect the power plug and remove the power cord from the device.
  • Remove all coffee beans. Remove all attachments such as drip tray, milk frother and water tank. Open the service door and remove the brew group.
  • Unscrew the two Phillips screws
  • The Phillips screw under the water tank can remain.

Disconnect the power plug and remove the power cord from the device.

Remove all coffee beans. Remove all attachments such as drip tray, milk frother and water tank. Open the service door and remove the brew group.

Unscrew the two Phillips screws

The Phillips screw under the water tank can remain.

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Step 2

  • The bean compartment flap must be removed. It is latched on the left and right, the latch is held under tension by a spring. Compress the spring until the catch is free and lift off the flap.

The bean compartment flap must be removed. It is latched on the left and right, the latch is held under tension by a spring. Compress the spring until the catch is free and lift off the flap.

Step 3

  • There is a plastic cover strip under the flap. It is only latched in place. Release it with a flat tool and lift it out.

There is a plastic cover strip under the flap. It is only latched in place. Release it with a flat tool and lift it out.

Step 4

  • Lift the back side up and put it aside.

Lift the back side up and put it aside.

Step 5

  • The side covers are still attached to the back with two screws. They are located under a cover strip that is only snapped in place. Take off the cover strip and put it aside.
  • Unscrew the two Phillips screws.

The side covers are still attached to the back with two screws. They are located under a cover strip that is only snapped in place. Take off the cover strip and put it aside.

Unscrew the two Phillips screws.

Step 6

  • Push the left side panel back about 1 cm. It often jams strongly and you have to help it with a plastic opening tool.
  • Remove the left side panel.

Push the left side panel back about 1 cm. It often jams strongly and you have to help it with a plastic opening tool.

Remove the left side panel.

Step 7

  • The right side panel is removed in the same way, but the service hatch is a bit obstructive. Open it first and push the side panel back a few millimeters. This is often difficult and you will need a plastic lever tool.
  • Close the flap again and push the sides further back. It is a bit tricky and you have to work carefully. Lift out the side panel.

The right side panel is removed in the same way, but the service hatch is a bit obstructive. Open it first and push the side panel back a few millimeters. This is often difficult and you will need a plastic lever tool.

Close the flap again and push the sides further back. It is a bit tricky and you have to work carefully. Lift out the side panel.

Step 8

              DeLonghi ETAM series top removal
  • Some devices have a warming plate. Disconnect the flat plugs on the green/yellow protective earth conductors.
  • When reassembling, don’t forget to put them back on.

Some devices have a warming plate. Disconnect the flat plugs on the green/yellow protective earth conductors.

When reassembling, don’t forget to put them back on.

Step 9

  • The top is fixed with screws on the left and right, depending on the type. Unscrew them.
  • Now the top can be gently lifted off.
  • Depending on the type, it is shaped differently. Some have the control panel far to the rear. Leave it for now, it is connected with cables.

The top is fixed with screws on the left and right, depending on the type. Unscrew them.

Now the top can be gently lifted off.

Depending on the type, it is shaped differently. Some have the control panel far to the rear. Leave it for now, it is connected with cables.

Step 10

              DeLonghi ETAM series control panel removal
  • The control panel is locked very tightly with four catches on the front. It is tricky to release these latches and you need quite a lot of force.
  • First loosen the detent on the edge. Use a thin flat-blade screwdriver to drive under the latch from behind. Insert a strong plastic lever tool into the gap between the control panel and the front. The latch opens with a loud crack.
  • Now you can open the other latches with the lever tool
  • Do not remove the control panel completely yet, it is still connected with cables.

The control panel is locked very tightly with four catches on the front. It is tricky to release these latches and you need quite a lot of force.

First loosen the detent on the edge. Use a thin flat-blade screwdriver to drive under the latch from behind. Insert a strong plastic lever tool into the gap between the control panel and the front. The latch opens with a loud crack.

Now you can open the other latches with the lever tool

Do not remove the control panel completely yet, it is still connected with cables.

Step 11

  • Lift up the control panel a little. Press the latch on the white plug and pull off the plug.
  • Unthread the ribbon cable that leads to the control electronics at the back as far as possible. This will make it longer and you can place the control panel on its side.
  • If you want to remove the control panel completely, you have to take off the cover on the control electronics and disconnect the connector. Then you can unthread the cable completely.

Lift up the control panel a little. Press the latch on the white plug and pull off the plug.

Unthread the ribbon cable that leads to the control electronics at the back as far as possible. This will make it longer and you can place the control panel on its side.

If you want to remove the control panel completely, you have to take off the cover on the control electronics and disconnect the connector. Then you can unthread the cable completely.

Step 12

              Replace top brewing piston
  • There are six connections on the upper brewing piston: three hot water pressure lines, one non-pressurized waste water line, a hose line to the coffee spout and two cables to the microswitch. All must be removed first.
  • Pull out the clip at the top left and loosen the pressure line. Pay attention to the O-ring. It either hangs on the line or afterwards. When reassembling, replace it with a new one if possible.
  • Pull out the clamp in the middle and loosen the pressure line. Pay attention to the O-ring. It either hangs on the line or afterwards. When reassembling, replace it with a new one if possible.
  • Pull out the clamp on the bottom left and loosen the pressure line. Pay attention to the O-ring. It either hangs on the line or afterwards. When reassembling, replace it with a new one if possible.

There are six connections on the upper brewing piston: three hot water pressure lines, one non-pressurized waste water line, a hose line to the coffee spout and two cables to the microswitch. All must be removed first.

Pull out the clip at the top left and loosen the pressure line. Pay attention to the O-ring. It either hangs on the line or afterwards. When reassembling, replace it with a new one if possible.

Pull out the clamp in the middle and loosen the pressure line. Pay attention to the O-ring. It either hangs on the line or afterwards. When reassembling, replace it with a new one if possible.

Pull out the clamp on the bottom left and loosen the pressure line. Pay attention to the O-ring. It either hangs on the line or afterwards. When reassembling, replace it with a new one if possible.

Step 13

  • Disconnect the two spade connectors from the microswitch

Disconnect the two spade connectors from the microswitch

Step 14

  • Take off the black bend protector on the middle pressure line.

Take off the black bend protector on the middle pressure line.

Step 15

  • Unscrew the two Allen screws (4 mm).
  • Lift off the stainless steel bracket.

Unscrew the two Allen screws (4 mm).

Lift off the stainless steel bracket.

Step 16

  • Unscrew the Phillips screw on the black protective plate on the left and pull off the protective plate.

Unscrew the Phillips screw on the black protective plate on the left and pull off the protective plate.

Step 17

  • Using a flat tool, disconnect the drain hose on the left.

Using a flat tool, disconnect the drain hose on the left.

Step 18

  • Remove the two Phillips screws securing the side of the upper piston support plate.
  • The screws are in deep holes.

Remove the two Phillips screws securing the side of the upper piston support plate.

The screws are in deep holes.

Step 19

  • Pull off the hose to the coffee spout.
  • Pull out the pressure hoses that are in the way,through the openings on the left.
  • The upper piston support plate is now free. However, it is very tight and it is tricky to get it out. Be patient and work carefully. Make sure that the ribbon cable to the control panel is not damaged.
  • It’ll be easier if you also detach the front panel and remove the coffee spout.

Pull off the hose to the coffee spout.

Pull out the pressure hoses that are in the way,through the openings on the left.

The upper piston support plate is now free. However, it is very tight and it is tricky to get it out. Be patient and work carefully. Make sure that the ribbon cable to the control panel is not damaged.

It’ll be easier if you also detach the front panel and remove the coffee spout.

Step 20

              Repair upper brewing piston
  • The piston is attached to the gray plastic part with a small ring retainer. Push the fuse to the side and store it well.
  • Turn the piston around. There is a recessed Torx T10 screw in the exact center. Unscrew it.

The piston is attached to the gray plastic part with a small ring retainer. Push the fuse to the side and store it well.

Turn the piston around. There is a recessed Torx T10 screw in the exact center. Unscrew it.

Step 21

  • Unscrew the two Phillips screws on the piston and remove the black cover.
  • Remove the large O-ring on the piston.
  • Unscrew the single Phillips head screw in the center of the piston.

Unscrew the two Phillips screws on the piston and remove the black cover.

Remove the large O-ring on the piston.

Unscrew the single Phillips head screw in the center of the piston.

Step 22

  • Gently pull off the plunger. Note the springs inside.
  • Also pay attention to the spring with the valve hemisphere. When assembling, the ball must point upwards.

Gently pull off the plunger. Note the springs inside.

Also pay attention to the spring with the valve hemisphere. When assembling, the ball must point upwards.

Step 23

  • Turn the piston over and remove the attachments:
  • Unscrew the two Phillips screws on the valve and remove the valve.
  • Unscrew the two Allen screws (2 mm) on the raccord and remove the raccord.
  • Unscrew the single Phillips head screw on the microswitch and lift the microswitch out.

Turn the piston over and remove the attachments:

Unscrew the two Phillips screws on the valve and remove the valve.

Unscrew the two Allen screws (2 mm) on the raccord and remove the raccord.

Unscrew the single Phillips head screw on the microswitch and lift the microswitch out.

Step 24

  • Thoroughly degrease and descale all parts. If possible, replace the O-rings. Re-grease them and reassemble the upper piston.
  • Note the valve: the plunger points upwards.
  • The maintenance kit contains a total of 18 seals for the upper piston, plus two for the lower piston.

Thoroughly degrease and descale all parts. If possible, replace the O-rings. Re-grease them and reassemble the upper piston.

Note the valve: the plunger points upwards.

The maintenance kit contains a total of 18 seals for the upper piston, plus two for the lower piston.

Work through the steps in reverse order to reassemble your device.

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