About This File
A jumper service tool can be created from an existing user interface (UI) harness assembly to
diagnose dishwashers that will not respond and seem to have no power. This jumper can be used
to determine which part has failed, instead of replacing all three components. This jumper allows
the machine control board to bypass the user interface board. Note: The jumper can be used on all
dishwashers that have a five-pin door harness connector.
PUB TB22-21
September 2021
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