Error code reference
KitchenAid Dishwasher Error Code Flood Switch Activated LED
Flood switch activated due to lid not sealing, water valve leaking, split spray arm, spray arm not turning…
Flood switch activated due to lid not sealing, water valve leaking, split spray arm, spray arm not turning freely, split/leaking inlet or drain hoses, blocked drain hose, heater plate o-ring leaks, or moisture on chassis board.
First step from the service manual
Unplug dishwasher, remove lid and repair or replace lid or motor assembly; check for proper loading of dishware.
The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.
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- Step-by-step tests with expected resistance, voltage, and continuity values
- Wiring diagram references and connector pinouts from the OEM service manual
- Verified part numbers when replacement is required
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