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Error code reference
Viking Refrigerator Error Code Door Open Alarm
Alarm tone sounds and indicator lights blink if either refrigerator or freezer door is open more than 3 minutes (default).
SourceViking 42" Side-by-Side Refrigerator - Service Manual (VCSB/DDSB/DFSB423G)p. 14
Diagnostic procedure
The full Door Open Alarm 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 off Door Open alarm by pressing Alarm Off pad or by closing the door.
SourceViking 42" Side-by-Side Refrigerator - Service Manual (VCSB/DDSB/DFSB423G)p. 14
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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