PROBLEM CHECK POSSIBLE CAUSE REMEDY
5. Interior a. Compressor 1. Compressor control 1. Replace compressor
light functions control thermostat. control thermostat.
but compressor thermostat.
will not run. 2. Wiring connections 2. Correct loose or incorrect
from compressor control wiring connections.
Thermostat to terminal
Block loose or incorrect.
6. Compressor a. Fan motor 1. Fan blade jammed by 1. Free fan blade so fan
runs: fan does blade shroud, refrigerant line, operates freely.
not run. assembly. mount bracket, foreign
objects, etc.
2. Fan motor failed. 2. Replace fan motor.
3. Connection loose or 3. Correct loose or incorrect
incorrect on wiring from wiring connections.
fan motor to terminal
block.
7. Fan runs, but a PTC starter. 1. Failed PTC starter. 1. Replace PTC starter.
b. Wiring PTC 1. loose or incorrect 1. Correct loose or incorrect
start to wiring connections at wiring.
terminal PTC starter to terminal
block. block.
c. Compressor 1. Failed motor in 1. Replace compressor
compressor.
2. Compressor cycled off 2. Unplug unit. Allow
on thermal overload compressor to cool 30-45
protector. minutes. Plug unit in.
If compressor starts, locate
cause of thermal overload.
may be power interruption,
high ambient temperature,
or fan/condenser blocked.
8. Interior light a. Striker plate 1. Striker plate not present 1. Replace or install striker
will not turn on bottom or not positioned plate so light switch is
of door. properly to depress light depressed when door is
switch when door is closed.
closed.
F90571
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