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Error code reference
Whirlpool Refrigerator Error Code CF
Communication failure between the main control board and the user interface.
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$285
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Diagnostic procedure
The full CF procedure
Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.
MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Verify proper connections and circuits for RX and TX lines; replace the user interface and if the problem persists, replace the main board.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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