O&C MANUAL #8311 • TH/III FAMILY
PG. 16
SECTION 6 SERVICE SECTION 6
A. No power. Display will not light.
1. Verify that power is available at the outlet or junction box.
2. Verify that the circuit breaker switch on the back of the
unit is turned on.
3. Verify that the power cord is not open. Check continuity
with a VOM meter.
4. If the above steps check out okay, you'll need to
remove the top bonnet assembly. Disconnect electrical
power to the unit by turning off the circuit in the main
supply panel. Remove the screws described in
Illustrations A. through C. After screws have been
removed, gently lift bonnet, paying close attention not to
pull on wiring connections. Turn bonnet onto its left side
(when viewed from the front) as shown in Illustration B.
Slide the edge of the bonnet under the 2 security clips.
Reconnect electrical power to the unit.
a) Test for power at the load side of the circuit breaker.
See Figure 1. If ok, proceed to step b. If there is no
power, replace the defective circuit breaker.
b) Test for power at the load side
of the two filters. See Figure 2.
If ok, proceed to step c. If there
is no power, replace the defective
filter.
TROUBLE SHOOTING INTERNAL ELECTRICAL COMPONENTS
Load Side
Load Side
Figure 1
Figure 2
This section is provided for
the assistance of qualified
technicians only and is not
intended for use by
untrained or unauthorized
service personnel.
Do not replace any elec-
trical components with-
out first disconnecting
electrical power to the
unit by
turning off the circuit breaker in the
main supply panel. A warning sign
should be posted on the panel indicating
the oven is being serviced and that the
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