TROUBLE DIAGNOSIS
CLAIMS. | CAUSES AND CHECK POINTS. |
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3. Refrigeration | 1) Refrigerant Partly leaked. |
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| Weld joint leak. |
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is weak. | 2) Poor defrosting capacity. |
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| Parts leak. |
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| ■ Check visually. |
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| Drain path (pipe) clogged. |
| Inject P/U into drain hose. |
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| Inject through the |
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| hole. |
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| Seal with drain. |
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| Foreign materials | P/U lump input. |
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| penetration. | Screw input. |
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| Other foreign materials |
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| input. |
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| Cap drain is not disconnected. |
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| Defrost heater does not | Parts | Heater | Wire is cut. |
| ■ Check terminal |
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| generate heat. | disconnected. | Sheath | - Lead wire. |
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| Conduction: OK. |
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| - Heating wire. |
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| No conduction: NG. |
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| - Contact point |
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| If wire is not cut, refer to |
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| between heating and |
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| resistance. |
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| electric wire. |
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| P=Power |
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| Dent by fin evaporator. |
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| V=Voltage |
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| Heating wire is corroded |
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| R=Resistance |
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| - Water penetration. |
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| Bad terminal connection. |
| V2 |
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| P= — |
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| R |
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| V2 |
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| R= — |
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| P |
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- 47 -
