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18
888-994-7636
Trouble Shooting Guide
SYMPTOM
POSSIBLE CAUSE
PROCEDURE
Unit does not run
1.
No power to unit
2.
Power switch in OFF position
3.
Temperature control turned off
4.
Temperature control faulty
5.
Compressor overheated
6.
Condenser fan faulty
7.
Overload protector faulty
8.
Compressor relay faulty
9.
Compressor faulty
1.
Plug in unit
2.
Switch power switch to ON
3.
Check temperature control
4.
Test temperature control
5.
Clean condenser coil
6.
Service condenser fan
7.
Test overload
8.
Test relay
9.
Call for service at 888-994-7636
Unit short cycles
1.
Condenser coil dirty
2.
Condenser fan faulty
3.
Compressor faulty
4.
Overload repeatedly tripping
1.
Clean coil
2.
Service fan and motor
3.
Call for service at 888-994-7636
4.
Check outlet voltage
Unit runs constantly
1.
Condenser coil dirty
2.
Condenser fan faulty
3.
Room ambient too high
4.
Room humidity too high
5.
Frost builduip
6.
Door gasket damaged
7.
Poor door seal
1.
Clean coil
2.
Service condenser motor
3.
Reduce room temperature
4.
Set room lower
5.
Defrost evaporator
6.
Replace door gasket
7.
Check door seal
Unit not cold enough
1.
Temperature control set too
high
2.
Temperature control faulty
3.
Condenser coil dirty
4.
Refrigerant leaking or
contaminated
5.
Room ambient too high
6.
Room humidity too high
7.
Door gasket damaged
8.
Poor door seal
9.
Evaporator fan faulty
10. Evaporator iced up
1.
Adjust control to lower setting
2.
Test control
3.
Clean coil
4.
Call for service at 888-944-7636
5.
Reduce room temperature
6.
Set room lower
7.
Replace door gasket
8.
Check door seal
9.
Service evaporator fan
10. Defrost evaporator
Test defrost timer
Test Therm-O-Disc
Test defrost timer
Unit too cold
1.
Temperature control set too low
2.
Temperature control faulty
1.
Adjust control to raise setting
2.
Test control
Unit noisy
1.
Compressor mountings loose
or hardened
2.
Condenser fan damaged or
hitting fan shroud
3.
Unit not level
4.
Evaporator fan damaged or
hitting fan shroud
1.
Tighten or replace compressor
mountings
2.
Inspect condenser fan
3.
Adjust leveling feet
4.
Inspect evaporator fan
Unit does not defrost
1.
Defrost heater faulty
2.
Defrost Therm-O-Disc faulty
3.
Defrost timer faulty
1.
Test heater
2.
Test Therm-O-Disc
3.
Test timer
Содержание 9215-32-7
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