Before inspecting internal appliance parts, always disconnect the electrical power supply and turn off gas lines. If you feel uncomfortable performing diagnostics, schedule a certified technician.
Complete diagnostic guide for common Bosch household appliance error codes.
Common Diagnostic Codes
Error Code
Meaning & Causes
Recommended Action
E15
Dishwasher Water Leak. Water detected in the dishwasher base pan.
Turn off water supply. Check for leakage under base.
E18
Washer Drain Pump Blocked. Pump motor is jammed or hose clogged.
Clean the drain pump filter at bottom front.
E22
Dishwasher Filter Blockage. Pump cannot drain due to food debris.
Clean filter screen and pump impeller.
E25
Drain Pump Cover Missing. The drain pump cannot build pressure.
Snap the pump cover back into place securely.
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