Error code reference

Viking Range Error Code Cooling

Cooling fan speed input (Hall Effect sensor) indicates the fan is not running or EOC4 is not receiving a square wave in the allowable frequency range.

SourceViking Dual Fuel Range - Service Manual: Electronic Control (VDSC Series)p. 39-40

Diagnostic procedure

The full Cooling 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
Cancel bake or clean operation immediately. Turn cycle off, power down, and correct cooling fan issue.

SourceViking Dual Fuel Range - Service Manual: Electronic Control (VDSC Series)p. 39-40

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

4 manuals in the MyPros+ library document this code for Viking range.

Models covered by the manuals that document this code

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