Error code reference

Dacor Oven Error Code U70

Upper/single comm error - loss of communication between logic board and upper power board.

SourceDacor Discovery Wall Oven - Full Service Manualp. 9-25

Diagnostic procedure

The full U70 procedure

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MyPros+ · DiagnosticsStep 1 preview

First diagnostic step

Verify communication line connections (J7-J23, J8-J23) between relay and logic boards. Connect cables properly, then replace relay board if needed.

SourceDacor Discovery Wall Oven - Full Service Manualp. 9-25

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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

1 manual in the MyPros+ library documents this code for Dacor oven.

Models covered by the manuals that document this code

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The full U70 procedure

Where this code is documented

Models covered by the manuals that document this code

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