Troubleshooting Guide
DANGER
ELECTROCUTION HAZARD
Never attempt to repair or perform maintenance on the unit until the main electrical power has been disconnected.
Troubleshooting - What to check when problems occur:
PROBLEM | POSSIBLE CAUSE | REMEDY |
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Unit not cold enough | Door gasket not sealing properly | Adjust door (See MAINTENANCE; DOOR ALIGN, ADJUST, |
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| REVERSE). |
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| Item(s) interfering with door | Reposition or remove item(s). |
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| Dirty condenser coils | Clean condenser (See MAINTENANCE; CONDENSER |
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| CLEANING). |
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| Airflow to front grille blocked | Airflow must not be obstructed to front grille (See |
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| OPERATION). |
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| Temperature not set cold enough | Set control knob to cooler setting (See OPERATION). |
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| Allow 24 hours for temperature to stabilize. |
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The unit frosts up. | Unit is manual defrost model. | Models SP18, 95, 98, CO29, CO75 and 75F are manual |
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| defrost (See MAINTENANCE; DEFROSTING). |
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| Door gasket not sealing properly | Adjust door (See MAINTENANCE; DOOR ALIGN, ADJUST, |
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| REVERSE). |
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| High ambient temperatures or | Defrost unit manually (See MAINTENANCE; |
| humidity | DEFROSTING). |
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Noise during operation | Certain sounds are normal. | Soft sounds from the fan will be heard. |
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| Fan blade touching obstruction | Remove obstruction. |
| (wiring, foam insulation, etc.) |
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75F | 13 |
