© 2012 Viking Preferred Service
57
Service Diagnostics and Procedures
Troubleshooting Guide (cont.)
Problem Probable Cause Correction
Oven door won’t unlock
(oven below elevated clean
temperatures)
Open door latch motor
Oven sensor out of calibration
Relay board
Open relay
Defective oven wiring (shorted,
open, or burned)
Replace door latch motor
Ohm oven sensor
Replace relay board
Repair or replace defective wiring
Oven lights inoperable
(bulbs OK)
Relay board
Open relay
Defective oven wiring (shorted,
open, or burned)
Replace relay board
Replace relay board
Repair or replace defective wiring
Oven light will not work
Light bulb is burned out
Supply voltage
Check bulb and replace if defective
Verify source voltage
Blower motor inoperable Open blower motor
Oven sensor
Open relay
Check blower resistance
Ohm oven sensor
Replace relay board
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