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Error code reference
Viking Dishwasher Error Code Moisture Sensor - water detection
Moisture sensor output is equivalent to water in the base pan.
SourceViking Built-In Dishwasher - Service Manual (FDB451, VDB451)p. 13
Diagnostic procedure
The full Moisture Sensor - water detection 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
Check for water in base pan from overflow/leak; check defective moisture sensor.
SourceViking Built-In Dishwasher - Service Manual (FDB451, VDB451)p. 13
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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