Heater & Limit Switch; Fan Motor - Whirlpool ATE0743SPP Technical Manual

Disconnect power before servicing.
Replace all parts and panels before operating.
Failure to do so can result in death or electrical shock.
HEATER & LIMIT SWITCH (N.C.)
Limit Switch
Heater
Refer to page 4-9 for the procedure for servic-
ing the heater and limit switch.
1. Unplug air conditioner or disconnect power.
2. Disconnect the heater wire from the hot
start sensor terminal.
3. Set the ohmmeter to the R x 1 scale.
4. To test the heater, touch the ohmmeter
test leads to the heater wire connectors.
The meter should indicate between 11
and 17 Ω.
5. To test the limit switch, touch the ohm-
meter test leads to the terminals. The
meter should indicate a closed circuit at
room temperature.
Electrical Shock Hazard

FAN MOTOR

Refer to page 4-10 for the procedure for servic-
ing the fan motor.
1. Unplug air conditioner or disconnect power.
2. Set the ohmmeter to the R x 1 scale.
3. Touch the ohmmeter test leads to the
following motor wire connectors. Discon-
nect one of the wires before you make the
measurement:
Black to red = 100 to 110 Ω
Yellow to brown = 180 to 200 Ω
5-6