Error code reference

Viking Ice Maker Error Code 4 blinks

Both bin and evaporator sensors are open or shorted.

SourceViking Ice Maker - Service Manual: VUIM/DUIM 150/153 (15" W.)p. 30

Diagnostic procedure

The full 4 blinks 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

First diagnostic step

Test both bin and evaporator thermistors for resistance and compare to Resistance versus Temperature Chart. Replace any thermistor that is out of specification.

SourceViking Ice Maker - Service Manual: VUIM/DUIM 150/153 (15" W.)p. 30

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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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Where this code is documented

2 manuals in the MyPros+ library document this code for Viking ice maker.

Models covered by the manuals that document this code

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The full 4 blinks procedure

Where this code is documented

Models covered by the manuals that document this code

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