Oven Diagnostics

Bosch Oven
Error Codes

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

Enter the code shown on your oven 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

ER6 E305 ER1 E303 E107 E115 E106 E011 E101 E005

All Codes

E005 E011 E101 E106 E107 E115 E303 E305 ER1 ER6

Error Code Directory

Click any code for detailed troubleshooting steps

Low Medium High

Code Meaning Severity Common Symptom

E005 Communication Fault Medium You set a temperature and program but the oven stays cold. View E011 Stuck Button Low The oven turns on or changes settings without anyone touching the controls. View E101 Temp Probe Cable Break High The oven does not start heating because it cannot read the internal temperature. View E106 Door Lock Failure Medium The oven refuses to begin the self-cleaning cycle because the door won't lock. View E107 Door Won't Unlock Medium The self-clean cycle has finished but the door remains locked and cannot be opened. View E115 Excessive Temperature High A strong burning or scorching smell coming from inside the oven. View E303 Relay Module Overheating High The oven turns off mid-cook when the relay module reaches its thermal limit. View E305 Board Communication Error Medium You can set temperature and program but the oven cavity stays cold. View ER1 Temp Sensor Failure High The oven does not reach the set temperature even after an extended waiting period. View ER6 Self-Clean Lock Fault Medium The self-clean cycle starts but stops within minutes when the door fails to lock. View