Hot Start Relay; Hot Start Sensor - 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.

HOT START RELAY

Refer to page 4-6 for the procedure for servic-
ing the hot start relay.
1. Unplug air conditioner or disconnect power.
2. Disconnect the wires from the relay termi-
nals.
3. Set the ohmmeter to the R x 1 scale.
4. Touch the ohmmeter test leads to the
following relay terminals:
1 to 3 = open (infinite) circuit
4 to 5 = closed (0 Ω) circuit
5. Set the ohmmeter to the R x 100 scale.
6. Touch the ohmmeter test leads to the coil
(unmarked) terminals. The meter should
indicate between 1480 and 1520 Ω.
Electrical Shock Hazard

HOT START SENSOR

3
COIL
5
Refer to page 4-6 for the procedure for servic-
1 4
ing the hot start sensor.
1.
2.
3.
4.
5-4
Unplug air conditioner or disconnect power.
Disconnect the wires from the sensor ter-
minals.
Set the ohmmeter to the R x 1 scale.
Touch the ohmmeter test leads to the
sensor terminals. The meter should indi-
cate an open (infinite) circuit at room tem-
peratures above 65°F.
Closed Below 50°F
Open above 65°F