Bosch washing machine E18 / F18 error
ErrorE18 / F18
Bosch uses E18 and F18 for a drainage problem. The official first checks cover the drain hose, residual water, and the accessible pump area.
What the code means
The washing machine cannot drain water normally
Switch the programme off, unplug the washer, and allow hot water to cool before opening the service flap or draining residual water.
Typical symptoms
01E18 or F18 appears on the display
02Water remains in the drum
03The washer stops before or during draining
Likely causes
Start with the least invasive explanation and stop if the check requires internal electrical or sealed-system access.
01A kinked or blocked drain hose
02A blocked pump or pump cover
03Residual hot water that must cool before draining
Safe next steps
- 1Allow hot water to cool
- 2Unplug the washer and check the drain hose for a kink or blockage
- 3Drain residual water and inspect the accessible pump area as Bosch shows
- 4Run one drain test and stop if E18/F18 returns
Step-by-step repair
- 1Correct a visible hose restriction and clean the accessible drain or pump area only as Bosch describes. Refit the pump cover, check for leaks, and arrange service if the code returns.
Repair details
🔧Tools
Towels and shallow container, Flashlight, No electrical tool is required for the published checks
Towels and shallow container, Flashlight, No electrical tool is required for the published checks
What not to do
- Do not open the filter while water is hot or power is connected. Do not force the impeller or replace a pump from the code alone.
Preventive maintenance
- 1Keep the drain hose correctly routed and follow the exact model manual for pump-filter maintenance.
Frequently asked questions
What does E18/F18 mean?
Bosch identifies a drainage problem.
What if the drain path is clear?
Stop and arrange Bosch service.
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