How to Fix the Bosch Washing Machine E18 Error Code

BoschBosch Washing MachineModerate⏱ 30 - 45 minutes

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The E18 code on a Bosch washing machine usually means the washer can't drain because the drain pump filter is blocked. This guide shows how to drain the pump area, remove and clean the pump filter—also called the drain pump filter, drainage pump filter, or coin trap—and check the small pump impeller. Use this guide when a cycle stops mid-cycle with wet laundry, the pump area sounds noisy, or the machine won't drain. This procedure was written for the Bosch Serie 4 VarioPerfect washing machine and also applies to similar Siemens models with the same lower-front pump filter, although small panel details may vary.

🧰 Tools

Shop Towels or Rags
Small tray
6-in-1 Screwdriver

ШагиSteps

Prepare the washer

Read the E18 code as a drainage fault, usually caused by a blocked drain pump filter.
Remove the wet laundry if the door is already unlocked.
Don't force a locked door, because trapped water can keep the door locked until the washer drains.
Unplug the washer before working near the drain pump to avoid electric shock.
Turn off the power supply cold water feed before opening the drain pump filter area.

Open the pump access panel

Find the small plastic access panel at the lower-right front corner of the washer.
Press the top clip down and pull the panel off.

Drain the emergency hose

Place a small tray below the drain hose.
Pull the drain hose out a little, unclip the small cap, and let the water drain into the tray.
This hose removes most of the water from the pump filter housing, but water may still spill when the filter opens.
Refit the cap securely after the hose stops draining.
Push the capped hose back into the access area.
Leaving the cap loose will dump water onto the floor during the next wash.

Drain the filter housing

Place the small tray under the pump filter opening.
Turn the filter counterclockwise slowly until water begins draining.
Don't fully remove the filter while water is flowing.
Tighten the filter if the tray fills too fast.
Empty the tray and loosen the filter again until the water stops flowing.

Remove the pump filter

Lay a towel on the floor in front of the filter.
Turn the filter counterclockwise slowly and pull it out.
Listen and feel for loose objects in the filter housing.
Remove coins, hair clips, and any other blockage from the filter and the opening.
Look inside the opening to make sure nothing else is stuck inside.

Check the pump impeller

Use a flat-blade screwdriver to gently turn the small pump impeller inside the filter opening.
The impeller should turn freely.
Stop using the washer if the impeller is jammed, damaged, or making unusual noise after the blockage is cleared.

Clean the filter

Inspect the pump filter.
Leave the filter as is if it is clean and in good condition.
Rinse a gunky or dirty filter under hot water until the debris is gone.

Reinstall the pump filter

Insert the pump filter into the housing.
Turn the filter clockwise until it locks with the handle in the upright position.
Leave the front access panel off for the first test wash so you can check the filter for leaks.

Restore water and power

Turn the cold water feed back on slowly.
Dry your hands completely.
Plug the washer back in or switch the plug socket on.
Don't touch the plug, socket, or control panel with wet fingers.

Run a test cycle

Load the washer, close the door, and start a short cycle.
Use a short program such as a Super Quick 30 minute wash if the washer has one.
Watch the open filter area while the machine starts and drains.
Stop the cycle and turn the power off if water leaks from the filter.

Refit the access panel

Confirm there are no leaks around the pump filter.
Clip the lower front access panel back into place.

Troubleshoot a returning E18 code

Stop the cycle and clean the filter right away if you hear unusual noise near the pump filter.
Check the drain hose for a blockage if the filter is clear and the E18 code stays.
Check the sink U-bend or waste connection for a blockage.
The pump may need service if the filter, drain hose, and U-bend are clear but the washer still won't drain.
Check pockets before each wash, because coins and hair clips commonly block the filter.
Clean the pump filter about once a year to keep drainage working well.

Run a complete wash and confirm the machine drains without showing E18. Check pockets before each wash, and clean the pump filter about once a year to help prevent repeat blockages. Repair didn't go as planned? Ask our Answers community for help.

«How to Fix the Bosch Washing Machine E18 Error Code» — автор eCuration, iFixit, лицензия CC BY-NC-SA 3.0. Показано без изменений. Открыть оригинал и комментарии →