Southbend CG/22SC - Manual (Page 28)

T
ROUBLESHOOTING EZ C
OM
C
OMBINATION
O
VEN
P AGE 28 O PERATOR ’ S M ANUAL 1182851 REV 2
Unit Not Working, No Lights
Unit Not Working, No Lights.
Check that circuit breaker is ON.
Check that voltage supplied to main fuse
block is the rated-voltage of the oven
(120VAC or 208VAC, as shown on the
serial plate).
Is voltage
the rated-voltage
of oven?
With switch in “ON”
position, check voltage
between TB-B1 and TB-B2.
Is voltage
the rated-voltage
of oven?
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.