Washer Diagnostics

Bosch Washer
Error Codes

Meanings, severity levels, safe checks you can perform, and when to call a technician.

Enter the code shown on your washer display

Is it safe to keep using it?

Depends on code severity. Low/Medium codes often allow continued use, High severity requires immediate stop.

Can error codes be reset?

Some codes clear after power cycle. Persistent codes indicate underlying issues needing repair.

When should I stop using it?

Stop immediately for water leak codes, burning smell, or any High severity error.

Most Common Codes

F21 F02 F01 E32 E43 E29 E27 E23 E18 E17

All Codes

E02 E04 E13 E17 E18 E23 E27 E29 E32 E43 F01 F02 F21

Error Code Directory

Click any code for detailed troubleshooting steps

Low Medium High

Code Meaning Severity Common Symptom

E02 No Water Supply Medium The washer starts the program but no water enters the drum after several minutes. View E04 Door Not Closed Low The washer beeps when you press Start but does not begin the cycle. View E13 Drainage Problem Medium The wash cycle completes but clothes are dripping wet because water was not drained before the spin. View E17 Water Level Too High High Looking through the door glass, the water level is visibly higher than normal for the selected cycle. View E18 Pump Timeout Medium The wash cycle ends but water remains visible in the drum — clothes are soaking wet. View E23 Flood Protection Active High Visible water puddle underneath or around the washing machine. View E27 Door Lock Error Medium You press Start but the door lock does not engage and the cycle does not begin. View E29 Inlet Valve Fault Medium The drum fills at a fraction of the normal speed, extending cycle times dramatically. View E32 Drum Not Spinning High You can hear the motor running but the drum does not move when you look through the door window. View E43 Unbalanced Load Medium The washer abruptly stops during the spin cycle, leaving clothes damp. View F01 Inlet Valve Leak Medium Dripping or pooling water near the top-rear of the washer where supply hoses connect. View F02 Heater Defective Medium Selecting a hot or warm cycle does not produce heated water — clothes come out cold. View F21 Motor Fault High The washer powers on but the drum does not move during wash or spin cycles. View

Bosch WasherError Codes