Bosch Washer E18 Error: Pump Timeout
What Does Bosch Washer Error Code E18 Mean? Error code E18 on a Bosch washing machine means the drain pump has been running longer than expected without emptying the drum. This timeout protection prevents the pump from overheating. Common Causes A clogged drain filter is the most frequent cause. The coin trap at the lower […]
Quick Assessment
Answer to continue safely
Is it safe to keep using?
No. Clothes will not be spun and will come out soaking wet. Continuous pump operation can also overheat the pump motor.
Can I reset the code?
Yes. After clearing the blockage, the error should clear on the next successful drain. Press Start/Pause to reset if needed.
When to stop immediately?
Stop if you notice: Filter is clean but water still won't drain, Pump makes grinding or whining noise.
Symptoms You May Notice
Water standing in drum after cycle
The wash cycle ends but water remains visible in the drum — clothes are soaking wet.
Drain pump runs for extended period
You can hear the drain pump running much longer than normal before the error appears.
Cycle stalls at the drain phase
The washer pauses at the drain point and will not proceed to the spin cycle.
Possible Causes
Clogged drain filter
Lint, coins, hair ties, or small items are blocking the drain filter.
DIY PossibleBlocked or kinked drain hose
The drain hose is obstructed or has a sharp bend restricting water flow.
DIY PossibleWeak drain pump
The drain pump motor is wearing out and cannot generate sufficient pressure to empty the drum.
Requires ProfessionalSafe Checks You Can Do
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1
Clean the drain filter
Open the lower front access panel, place towels and a pan underneath, and slowly open the drain filter to remove debris.
Expect water to flow out — drain slowly by partially unscrewing the filter cap.
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2
Check the drain hose
Pull the washer out and inspect the drain hose for kinks, clogs, or excessive length.
The drain hose should not be longer than 10 feet or pushed more than 6 inches into the standpipe.
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3
Test with a short cycle
After cleaning, run an empty Express cycle to verify the washer drains properly.
Listen for the drain pump — it should sound smooth, not strained or grinding.
When to Call a Professional
Contact a qualified technician if:
- Drain pump sounds strained or fails to start
- Water does not drain despite clear filter and hose
- Pump motor overheats during operation
Need Professional Help?
Find qualified technicians in your area for proper diagnostics and repair.
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