Error code reference
Maytag Dishwasher Error Code 1F2
High limit thermostat tripped; a temperature above 155°F (or 185°F per alternate listing) has been detected…
High limit thermostat tripped; a temperature above 155°F (or 185°F per alternate listing) has been detected and the heater will shut off.
First step from the service manual
Check the high limit thermostat for operation.
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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