Error code reference

Maytag Dishwasher Error Code SF2

High Limit Thermostat

High Limit Thermostat - a temperature above 155°F max has been detected and the heater will stall.

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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Get the full diagnostic procedure for SF2.

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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M+ Max·Maytag Dishwasher

SF2 on my Maytag Dishwasher

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High Limit Thermostat - a temperature above

From Tech Sheet W15388176, p.28:

1.Check the high limit thermostat for operation.

2.Measure the heating element resistance across the terminals with the leads removed. Expected: 11 to 13 ohms.

3.Verify the thermal fuse and high-limit thermostat show continuity. An open safety in series with the element produces a no-heat fault even when the element tests good.

Part WP279838

Heating element

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First step from the service manual

Get the full diagnostic procedure for SF2.

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