Service Manual

13
1. Troubleshooting
a) Not Cooling
Check for correct appliance installation per the instruction manual and proper voltage per
appliance nameplate.
Not Cooling - Possible Cause
1. Power Supply a) Unplugged, off, blown fuse, tripped or defective circuit
breaker. On three-section receptacle box, only top
receptacles have power.
b) Loose connection.
c) Not within specications.
2. Cord and Plug a) Loose connection.
b) Defective.
3. Control Module
See “ll.B.1.g) Alarm Safeties” and
“ll.C. Control Module Check”
a) In alarm.
b) Defective.
4. Door Switch a) Not engaged.
b) Defective.
5. Door Switch Relay a) Loose connection.
b) Defective.
6. Fan Motors a) Defective.
b) Dirty condenser.
7. Wiring a) Loose connection.
b) Faulty.
8. Compressor Relay (ptc) a) Defective.
9. Compressor External Protector a) Dirty condenser.
b) Condenser fan motor not operating.
c) Compressor capacitor or start relay defective.
d) Defective.
10. Compressor a) Defective.
b) Low voltage.
11. Condenser a) Dirty.
12. Refrigerant/Refrigerant Lines a) Low or overcharged.
b) Refrigerant leak.
c) Refrigerant lines restricted.
13. Filter Drier a) Defective.