TROUBLESHOOTING GUIDE
Trouble |
| Probable Cause |
| Remedy |
CHILLER DOES NOT | A. | No power. | A. | Check fuse or circuit breaker. |
OPERATE |
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| B. | Loose or poor wire connection. | B. | Check wiring. Correct for loose or |
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| poor wire connection. |
| C. | Inoperable | C. | Replace |
| D. | Overload device open. | D. | Allow compressor to cool, then |
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| install new overload device; |
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| replace compressor if necessary. |
| E. | Inoperable relay. | E. | Replace relay. |
| F. | Low input voltage. | F. | Nominal voltage ± 10% is |
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| required. |
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NO CIRCULATION OF | A. | Vinyl tubing kinked. | A. | Check tubing and remove kinks. |
CHILLED WATER |
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| B. | Low water level. | B. | Ensure that tank is full. |
| C. | Inoperable pump. | C. Check for obstruction or binding | |
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| impeller, replace pump and/or |
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| motor if necessary. |
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INADEQUATE COOLING | A. | Condenser fins dirty. | A. | Blow dirt out of fins. |
| B. | Fan motor not operating freely. | B. | Lubricate and hand spin until fan |
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| rotates freely; replace fan blade |
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| and/or motor if necessary. |
| C. | Water not circulating | C. | See “NO CIRCULATION OF |
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| CHILLED WATER”. |
| D. | Low refrigerant level. | D. | Charge system with refrigerant. |
| E. | Inoperative temperature | E. | Replace thermostat. |
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| control. |
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6 | 91272 |
