Whirlpool ATE0743RPP, Technical Manual

Page: 57 / 92

5-7
OVERLOAD PROTECTOR
Refer to page 4-14 for the procedure for servic-
ing the overload protector.
1. Unplug air conditioner or disconnect power.
2. Disconnect the overload protector wires.
3. Set the ohmmeter to the R x 1 scale.
4. Touch the ohmmeter test leads to the
overload protector terminal and connec-
tor.
5. The meter should indicate continuity (0
Ω
).
COMPRESSOR
Refer to page 4-14 for the procedure for servic-
ing the compressor.
1. Unplug air conditioner or disconnect power.
2. Disconnect the three wires from the com-
pressor terminals.
3. Set the ohmmeter to the R x 1 scale.
4. Clip an ohmmeter test lead to the overload
protector terminal
C (W) .
5. Touch the free test lead to the following
compressor terminals. The meter should
indicate as shown:
Terminal R (U) = 0.5
Ω
Terminal S (V) = 3.16
Ω
Terminal S (V) to R (U) = 3.65
Ω
R
(U)
S
(V)
C
(W)
Red
Black
Blue
Compressor
Terminals
Electrical Shock Hazard
Disconnect power before servicing.
Replace all parts and panels before operating.
Failure to do so can result in death or electrical shock.