Error code reference

Bosch Dishwasher Error Code E:02

Faulty heat pump heater relay, ground fault at heat pump heater, ground fault at zeolite heater, or faulty zeolite heater relay - dishwasher runs without heating.

SourceBosch SHXM78 Dishwasher - Service Manualp. 39

Bosch codes Bosch dishwasher codes

Diagnostic procedure

The full E:02 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview

First diagnostic step

Replace power module (if heater relay) or replace heat pump (if ground fault at heater) or replace zeolite container (if ground fault at zeolite heater).

SourceBosch SHXM78 Dishwasher - Service Manualp. 39

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More steps, wiring diagram references, and verified part numbers

Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.

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Where this code is documented

26 manuals in the MyPros+ library document this code for Bosch dishwasher.

Models covered by the manuals that document this code

More models are covered than are listed here.

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The full E:02 procedure

Where this code is documented

Models covered by the manuals that document this code

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