TROUBLE DIAGNOSIS
CLAIMS. |
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| CAUSES AND CHECK POINTS. | HOW TO CHECK | |||||||||||||||||||||
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2. No cooling. | 2) Refrigeration system is clogged. |
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| ■ Check the clogged | |||||||||||||||||||
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| Moisture |
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| Residual moisture |
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| Air Blowing. |
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| Not performed. | evaporator by heating (as | |||||||||||||||
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| soon as the cracking sound | |||||||||||||||||||
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| clogged. |
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| in the evaporator. |
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| Too short. | |||||||||||||||
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| begins, the evaporator start | |||||||||
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| Impossible moisture | |||||||||
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| freezing) | |||||||||
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| confirmation. | |||||||||
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| Low air pressure. |
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| Leave it in the air. |
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| During rest time. |
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| Caps are missed. |
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| After work. |
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| Residual moisture. |
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| Not dried in the compressor. |
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| Elapsed more than 6 months after drying |
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| Caps are missed. |
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| Insufficient drier |
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| No pressure when it is open. |
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| No electric |
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| Dry drier - Drier temperature. |
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| power on |
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| capacity. |
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| Leave it in the air. |
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| Check on package |
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| therm- |
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| condition. |
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| ostat. |
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| Good storage after |
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| finishing. |
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| Residual moisture |
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| Caps are missed. |
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| During transportation. |
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| in pipes. |
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| During work. |
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| Air blowing. |
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| Not performed. |
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| Performed. |
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| Too short time. |
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| Low air pressure. |
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| Less dry air. |
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| Moisture penetration - Leave it in the air. - Moisture penetration. |
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| into the refrigeration oil. |
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| ■ The evaporator does not cool |
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| Weld joint |
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| Short pipe insert. |
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| from the beginnig (no evidece | ||||||||
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| Pipe gaps. |
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| Too large. |
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| of misture attached). | ||||||||||
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| clogged. |
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| Damaged pipes. |
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| The evaporator is the same | ||||||||
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| Too much solder. |
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| as before even heat is | ||||||||
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| applied. | |||||||||
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| Drier cloggeing. |
| The capillary tube inserted depth. - Too much. |
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| Capillary tube melts. - Over heat. |
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| Clogged with foreign materials. |
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| Desiccant powder. |
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Weld oxides.
Drier angle.
Reduced cross section by cutting. - Squeezed.
Foreign material clogging. |
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| Compressor cap is disconnected. |
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| Foreign materials are in the pipe. | |
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