Error code reference

Viking Refrigerator Error Code oPn

Open thermistor detected: the control senses that a refrigerator or freezer thermistor circuit is open, and the affected zone indicator (REFRIGERATOR or FREEZER) illuminates along with the code.

SourceViking Built-In Side by Side Refrigerator - Service Manual (FDSB/VCSB/RDDSB 54xx)p. 51

Viking codes Viking refrigerator codes

Diagnostic procedure

The full oPn 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

Verify thermistor wiring and connections; the affected zone will call for cooling 100% of the time except during defrost. The visual alarm resets within 15 seconds of the open condition being corrected.

SourceViking Built-In Side by Side Refrigerator - Service Manual (FDSB/VCSB/RDDSB 54xx)p. 51

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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

15 manuals in the MyPros+ library document this code for Viking refrigerator.

Models covered by the manuals that document this code

More models are covered than are listed here.

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The full oPn procedure

Where this code is documented

Models covered by the manuals that document this code

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