Table of Contents
Advertisement
Troubleshooting Guide
Complaint
1.
2.
3.
4.
5.
6.
Compressor will
not run
7.
8.
9.
10. Compressor overload stuck open
11. Relay lead loose
12. Relay loose or inoperative
13. Faulty cabinet wiring
1.
2.
Compressor runs
but no
3.
refrigeration
4.
5.
1.
2.
Compressor short
3.
cycles
4.
1.
2.
3.
4.
Compressor runs
5.
too much or
6.
constantly
7.
8.
9.
10. Restricted capillary tube
1.
Noisy
2.
3.
Unit is out of
1.
calibration after
refill
Cause
No voltage at wall receptacle
Service cord pulled out of wall receptacle
Low voltage causing compressor to cycle
on overload
Containers are in the wrong position
Power switch is in "Off" position
Power cord disconnected from unit
Inoperative control
Compressor stuck
Compressor windings open
System out of refrigerant
Compressor not pumping
Restricted filter drier
Restricted capillary tube
Moisture in system
Erratic control thermostat
Faulty relay
Low voltage
Compressor draws excessive wattage
Temperature too low
Erratic control
Abnormally high room temperature
Containers not in place
System undercharged due to leaks
System undercharged from factory
System overcharged
System not clean
Restricted filter drier
Tubing vibrates
Internal compressor noise
Compressor vibrating on cabinet frame
Containers are in the wrong position
1.
Check circuit breaker or fuse
2.
Replace
3.
Contact power company and confirm that
voltage fluctuation does not exceed 10% plus
or minus from the nominal rating
4.
Check container positions (L, C, R)
5.
Turn switch on
6.
Reinsert cord into unit receptacle
7.
Call service technician
8.
Call service technician
9.
Call service technician
10. Call service technician
11. Call service technician
12. Call service technician
13. Call service technician
1.
Call service technician
2.
Call service technician
3.
Call service technician
4.
Call service technician
5.
Call service technician
1.
Call service technician
2.
Call service technician
3.
Contact power company and confirm that
voltage fluctuation does not exceed 10% plus
or minus from the nominal rating
4.
Call service technician
1.
Call service technician
2.
Call service technician
3.
Reduce room temperature
4.
Insert containers and fill with product
5.
Call service technician
6.
Call service technician
7.
Call service technician
8.
Call service technician
9.
Call service technician
10. Call service technician
1.
Call service technician
2.
Call service technician
3.
Call service technician
1.
Check container positions (L, C, R)
17
Solution
Advertisement
Table of Contents
