Bosch error codes
Independent plain-English guides for Bosch appliance codes. Use official support for model-specific instructions and safety notices.
Bosch Dishwasher
E01
Reset power at the breaker once; repeated E01 needs Bosch support or service.
Bosch Dishwasher
E02
Reset power once and stop if E02 returns, because board faults are service-level.
Bosch Dishwasher
E03
Power reset once; repeated E03 should go to service rather than repeated cycles.
Bosch Dishwasher
E04
Do not keep running heated cycles; contact support if E04 remains.
Bosch Dishwasher
E05
Check for obvious rack or spray blockage, then stop if E05 returns.
Bosch Dishwasher
E06
Check that the door closes normally and request service if E06 repeats.
Bosch Dishwasher
E07
Reset power once; repeated E07 is not a homeowner repair step.
Bosch Dishwasher
E09
Reset once; if it returns, stop repeating heated cycles and arrange service.
Bosch Dishwasher
E10
Avoid repeated heat-dry tests and contact support if E10 returns.
Bosch Dishwasher
E12
Use the model-approved descaling path and check water-softener salt guidance if equipped.
Bosch Dishwasher
E14
Check water supply first; service is likely if supply is normal.
Bosch Dishwasher
E15
Turn off water if leaking is active and check for visible leaks before resetting.
Bosch Dishwasher
E16
Check the inlet hose for kinks or damage and confirm the supply is on.
Bosch Dishwasher
E17
Check inlet hose condition and stop if the filling code returns after supply is normal.
Bosch Dishwasher
E18
Open the supply valve fully and inspect the inlet hose.
Bosch Dishwasher
E19
Power reset once; repeated E19 should be handled by service.
Bosch Dishwasher
E20
Do not force repeated cycles if the pump hums or the code returns immediately.
Bosch Dishwasher
E21
Reset power once and contact support if E21 returns.
Bosch Dishwasher
E22
Clean and reseat the dishwasher filter, then run a short rinse cycle.
Bosch Dishwasher
E23
Check simple drain restrictions first; repeated E23 usually needs service.
Bosch Dishwasher
E24
Check the filter, drain hose, sink air gap, and disposal connection.
Bosch Dishwasher
E25
Clean the filter and inspect the pump cover only as the manual allows.
Bosch Dishwasher
E27
Avoid repeated starts and have the outlet or circuit checked if it repeats.