Error code reference
KitchenAid Dishwasher Error Code 7-1
No heat
No heat - control programmed to disable heater due to detected water heating problem, open in heater circuit, or heater drive circuit on control.
First step from the service manual
Running diagnostics clears the control, allows the heater to turn on again. Water heating problem must be corrected or control will disable heater again. Unplug and measure resistance of heater and all components in Water Heating Circuit.
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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