Error code reference

Bosch Dishwasher Error Code E:09

Heating element open circuit / safety relay error; power module controlling relay not switching or stuck closed.

SourceBosch Ascenta Dishwasher - Service Manual (SHE6AF02UC)p. 37

Diagnostic procedure

The full E:09 procedure

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First diagnostic step

Check continuity between heating element (r1) and power module harness connector. Replace power module.

SourceBosch Ascenta Dishwasher - Service Manual (SHE6AF02UC)p. 37

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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

27 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:09 procedure

Where this code is documented

Models covered by the manuals that document this code

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