Error code reference

Maytag Dishwasher Error Code SF7

Model Switch Failure

Model Switch Failure - the model switch circuit is out of range during board manufacturing functional test.

First step from the service manual

Shown only in board manufacturing functional test mode. Does not appear in manual function mode or functional test mode.

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
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SF7 on my Maytag Dishwasher

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Model Switch Failure - the model switch circuit

From Tech Sheet W15388181, p.33:

1.Shown only in board manufacturing functional test mode. Does not appear in manual function mode or functional test mode.

2.Measure control board supply voltage at the test points. Expected: 12 VDC and 5 VDC; a drop below 4.75 VDC on the logic rail points to a failed onboard regulator.

3.Inspect all connectors on the main control for corrosion, thermal stress, or backed-out pins. Reseat each connector with the power disconnected.

Part WPW10804018

Electronic control board

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First step from the service manual

Get the full diagnostic procedure for SF7.

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