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Error code reference
Whirlpool Refrigerator Error Code 3 pulses
Optics status LED output: Optics and relay are good, but ice maker is not being sensed by the receiver board.
Diagnostic procedure
The full 3 pulses 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
Unplug and check bail arm switch (must be ON), check ice maker circuit and connections back to receiver board and neutral, check ice maker components.
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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