TROUBLESHOOTING
Trouble | Probable Cause | Remedy |
|
|
|
Unit will not run | A. | A. Turn switch to ”on”. |
| B. Defective | B. Check and replace. |
| C. Blown fuse. | C. Replace fuse and check for |
|
| cause of blown fuse. |
| D. Thermostat set too warm for | D. Adjust colder. |
| ambient. |
|
| E. Power relay contacts corroded. | E. Check and clean. |
| F. Defective thermostat. | F. Check and replace. |
| G. Loose electrical connection. | G. Check wiring. |
| H. Gearmotor overload protector | H. Turn switch to off then to on. |
| has cut off machine. |
|
|
|
|
Compressor cycles | A. Low voltage | A. Check line voltage |
intermittently. |
|
|
| B. Dirty condenser | B. Clean condenser |
| C. Air circulation restricted | C. Remove restriction |
| D. Defective condenser fan motor | D. Check and replace |
| E. Defective relay, overload | E. Check and replace |
| protector or starting capacitor. |
|
| F. Loose electrical connection | F. Check wiring |
|
|
|
Making wet ice. | A. Surrounding air temperature | A. Correct or move unit |
| too high |
|
| B. High water level in float | B. Lower water level |
| reservoir |
|
| C. Dirty condenser | C. Clean condenser |
| D. Faulty compressor | D. Check and replace* |
| E. Refrigerant leak | E. Check and repair |
| F. ”O” ring leaking at bottom of | F. Check and replace |
| evaporator shell |
|
*NOTE: Special care must be used with R404a (HP62) charged systems using (POE) Polyolester oil. The refrigeration system must not be open longer than 15 min., and the appropriate drier must be used due to the moisture absorption properties of the POE oil.
Unit runs but makes no | A. Leak in refrigerant system | A. Check and repair |
ice. |
|
|
| B. Moisture in system | B. Check, dehydrate and add |
|
| drier to system |
| C. No water | C. Check water supply |
© 2004, IMI Cornelius Inc. | - 15 - | Publication Number: 166240010SER |
