Checking Oven Broil Operation - Viking VGSC530 Service Manual

To avoid risk of electrical shock, personal injury, or death, disconnect electrical power source to unit, unless test
procedures require power to be connected. Discharge capacitor through a resistor before attempting to service.
Ensure all ground wires are connected before certifying unit as repaired and/or operational.

Checking Oven Broil Operation

Disconnect power to the range
Access control panel and wiring
Connect power
120 VAC present on oven control L1 to Neutral?
120 VAC present on spark module A to N?
Yes
RTD open or shorted?
(See fault codes on page 12).
No
Selector switch or thermostat open?
(See chart on page 22).
No
Turn selector switch Broil and
thermostat to 500°.
120 VAC present on broil relay
blue wire to N?
Yes
Turn selector switch Broil and
thermostat to 500°.
120 VAC present on DSI
module H1 to N?
Yes
10.75 VAC present on DSI
module SC to S2?
Yes
10.75 VAC present on DSI
module SC to S2 while
arcing, yet no gas present
to broil burner? (Gas supply
valve in open position)
No
Repair or replace defective wiring.
©2010 Viking Preferred Service
No
Yes
Replace RTD.
Replace selector
Yes
switch or thermostat.
No
Replace oven control board.
Repair or replace
No
defective wiring.
No
Replace DSI module.
Disconnect power to range.
Yes Check broil solenoid resistance.
210  present S2 yellow to SC black\white?
Replace broil solenoid
valve.
Troubleshooting
Open high limit
switch?
No
Repair or replace
defective wiring.
No
Replace high
Yes
limit switch.
19