TROUBLESHOOTING
IMPORTANT: Only qualified personnel should service internal components or electrical wiring.
TROUBLESHOOTING COMPRESSORS
Trouble | Probable Cause | Remedy |
Basically the compressor problems can be narrowed down to three areas of checkout.
THE COMPRESSOR WILL | A. | No voltage to the compressor |
NOT RUN |
| terminals. |
| B. | Low voltage. |
A.Check circuit.
B.Below 90% of nameplate rated voltage.
| C. Problems in the compressor | C. | See electrical checkout | |
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| electrical circuit. |
| instructions. |
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THE COMPRESSOR STARTS | A. |
| A. Check for proper fan operation | |
BUT TRIPS REPEATEDLY ON |
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| and clean condenser. |
THE OVERLOAD | B. |
| B. | Check the compressor suction |
PROTECTOR |
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| and discharge pressures. | |
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| C. | Voltage. | C. Voltage should be within 10% of | |
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| the rated nameplate voltage. |
| D. | High compressor amperage | D. It should never exceed 120% of | |
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| draw. |
| the rated nameplate amperage. |
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| See electrical checkout |
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| instructions. |
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THE COMPRESSOR RUNS | A. | Compressor not working. | A. Check the compressor suctions | |
BUT WILL NOT |
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| and discharge pressures. See |
REFRIGERATE |
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| chart on page 13. |
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