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COMBINATION OVEN TROUBLESHOOTING
OPERATOR’S MANUAL 1180963 PAGE 27
TROUBLESHOOTING
Unit Not Heating Properly (No Gas Error)
Unit Not Heating Properly (No Gas Error)
Disconnect power. Remove control panel thumbscrew and
slide control panel out, Reconnect power.
Start unit. Check gas supply pressure. (There is an inlet
pressure tap on the gas combination valve that can be used
for this purpose.) Supply pressure should be > 7" W.C. for
natural gas and > 11" W.C. for propane.
With door
closed, do main
burners come
on?
Go to page 29,
Blower Not
Running Properly.
Does
blower come
on?
Yes
Yes
Place unit in oven
mode at 200°F.
Open door.
Depress door switch.
Check gas manifold pressure.
(There is a tap on the gas
combination valve for this
purpose.) Pressure should be
approximately 4.0" W.C. for
natural gas or approximately
10.0" W.C. for propane.
Is voltage
approximately 24
volts?
Replace control board.
Replace gas valve.
No Yes
Remove front lower panel and burner box cover.
Place unit in oven
mode at 500
°F.
Close door.
No
Check voltage between
HI terminal and C
terminal of gas valve.
No
Does gas
pressure meet
specifications?
Check gas
valve wiring.
Replace gas
combination valve.
No Yes