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TROUBLESHOOTING COMBINATION OVEN
PAGE 26 OPERATOR’S MANUAL 1180963
TROUBLESHOOTING
Unit Not Working, No Lights
Unit Not Working, No Lights.
Check circuit breaker
Ensure 120V between terminals TBA1
and TBA2 of terminal block A.
Is voltage
approximately
120 volts?
With switch in "ON"
position, check voltage
between TB-B1 and TB-B2.
Is voltage
approximately
120 volts?
Test and
replace power
switch, as
necessary.
Check voltage between
terminals TB-B3 and TB-B6.
No Yes
No Yes
Is voltage
approximately 24
volts?
Test and replace
transformer, as
necessary.
Check wiring.
Replace
control board.
No Yes
Check voltage between where Wire 57
attaches to fuseblock and TB-B2.
Test and
replace fuse,
as necessary.