ERROR CODE EXPLAINED
Bosch Washer
Bosch Washer E18 Error Code
What it means
The washer detected a drainage problem involving a blocked or kinked drain hose or pump.
Try this first
- Turn the washer off and disconnect power.
- Check the drain hose for kinks or blockage.
- Check the drain connection for obstruction.
- Clean the drain pump according to the owner manual.
- Check for leaks before restarting the washer.
Can I keep using it?⚠ Troubleshoot drainage before continuing
Repair usually required?⚠ Usually not if caused by blockage
If the error keeps returning
If E18 remains after the drain hose and pump are cleaned, further diagnosis may be required.
Official source
Troubleshooting information verified against manufacturer support documentation.
View manufacturer support page →Safety note:ApplianceSignal provides general troubleshooting information. Always follow the appliance manufacturer's safety instructions and disconnect power when required.