Component Troubleshooting Guide - Viking VGSO166 Service Manual

Service Diagnostics and Procedures
Troubleshooting Guide
Below and on the following page are some general guides should a problem be detected. Please refer to the
test procedures in this manual to determine the defective component.
Problem
No oven operations
No display or lights
No burners working
Display lights and fans
work normally
No bake
No broil
No convection bake
No convection broil
No convection fan
No lights
© 2009 Viking Preferred Service
Probable Cause
House breaker tripped
Defective oven wiring (shorted,
open, or burned)
Gas valve turned off
Igniter
Gas valve
Selector switch
Thermostat timer
Sensor
Gas valve turned off
Igniter
Gas valve
Selector switch
Thermostat timer
Sensor
Gas valve turned off
Igniter
Gas valve
Selector switch
Thermostat timer
Sensor
Gas valve turned off
Igniter
Gas valve
Selector switch
Thermostat timer
Sensor
Gas valve turned off
Igniter
Gas valve
Selector switch
Thermostat timer
Sensor
Convection fan
Selector switch
Thermostat timer
Wiring
Defective bulb
Oven light switch
Defective or broken wiring
Correction
Reset breaker
Repair or replace defective wiring
Turn valve to on position
Verify voltage to igniter
Verify resistance and current
Verify proper contacts close
Verify voltage to and from timer
Verify resistance
Turn valve to on position
Verify voltage to igniter
Verify resistance and current
Verify contacts are closed
Verify voltage to and from timer
Verify resistance
Turn valve to on position
Verify voltage to igniter
Verify resistance and current
Verify contacts are closed
Verify voltage to and from timer
Verify resistance
Turn valve to on position
Verify voltage to igniter
Verify resistance and current
Verify contacts are closed
Verify voltage to and from timer
Verify resistance
Turn valve to on position
Verify voltage to igniter
Verify resistance and current
Verify contacts are closed
Verify voltage to and from timer
Verify resistance
Verify voltage and resistance
Verify contacts are closed
Verify voltage to and from timer
Repair or replace defective wiring
Check for 120 VAC to the lights
Verify light switch changes states when switch is pushed
Repair or replace defective wiring
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