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5-1
COMPONENT TESTING
Before testing any of the components, perform
the following checks:
• The most common cause for control failure is
corrosion on connectors. Therefore, discon-
necting and reconnecting wires will be nec-
essary throughout test procedures.
• All tests/checks should be made with a VOM
or DVM having a sensitivity of 20,000 ohms-
per-volt DC, or greater.
• Check all connections before replacing com-
ponents, looking for broken or loose wires,
failed terminals, or wires not pressed into
connectors far enough.
• Voltage checks must be made with all con-
nectors attached to the boards.
• Resistance checks must be made with power
cord unplugged from outlet, and with wiring
harness or connectors disconnected.
ELECTRICAL SHOCK HAZARD
Disconnect power before servicing.
Replace all panels before operating.
Failure to do so could result in death or
electrical shock.
WARNING
BLOWER MOTOR
Refer to page 4-4 for the procedure for servic-
ing the blower motor.
1. Disconnect the electrical power to the
oven.
2. Disconnect the wires from the blower motor
terminals.
3. Set the ohmmeter to the R x 1 scale.
4. Touch the ohmmeter leads to the motor
terminals. The meter should indicate be-
tween 14 and 18 Ω.
Refer to page 4-8 for the procedure for servic-
ing the oven temperature sensor.
1. Disconnect the electrical power to the
oven.
2. Disconnect the oven temperature sensor
connector from the oven connector.
3. Set the ohmmeter to the R x 1K scale.
4. Touch the ohmmeter leads to the sensor
connector pins. The meter should indicate
1080 Ω @ 70˚F.
OVEN TEMPERATURE SENSOR
ELECTRICAL SHOCK HAZARD
Disconnect power before servicing.
Replace all panels before operating.
Failure to do so could result in death or
electrical shock.
WARNING