Error code reference

Viking Range Error Code Comm

Loose communication link between EOC4 and VDSC, or RS485 serial communication is lost or unable to establish connection between EOC4 and any UI.

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

Diagnostic procedure

The full Comm 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
Turn unit off, power down, and correct 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

75,000+ service documents · 20,000+ error codes · 100+ brands

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