| Problems |
| Reasons |
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| Removing methods | ||||
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| 1. Fuse is broken |
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| 1. | Check if there is short circuit and | ||
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| 2. | The contact of plug, socket, and cable | solve it, if not, change capable fuse | ||||
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| is not good. Cable broken. |
| 2. | Check and connect tightly, or | |||
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| 3. | The voltage is too low, | change. | ||||
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| than rated voltage |
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| 3. | Use till voltage rises to rated | ||
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| 4. The knob of temperature controller is at | value or attach a stabilizer. | |||||
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| “rest” position. |
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| 4. | Rotate the knob to wanted | ||
| Compressor | 5. | The temperature controller is out of | position for suitable temperature. | ||||||
| can | not | be | order. |
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| 5. | Change the controller. | |
| started |
| 6. Starting relay or thermal protection unit | 6. | Change starting relay or thermal | |||||
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| is out of order or broken. |
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| 7. | Wire broken of motor starting coil or | protection unit. | ||||
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| operation coil. |
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| 7. | Measure using R×1 position of | ||
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| 8. | The compressor motor is burned or | avometer, if there is wire broken, | ||||
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| change compressor. | ||||||
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| rotator and stator are blocked to dead. |
| 8. | Change compressor. | |||
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| 9. | There is leakage of |
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| valve or the shaft is embraced to dead. |
| 9. | Change compressor. | |||
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| 1. | The distance between temperatures |
| 1 Adjust and make it close to | |||
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| sensing tube of temp. Controller and |
| evaporator cover. | ||||
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| evaporator are too big. |
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| Compressor | 2. | The temperature controller is out of |
| 2.Change the temperature | |||||
| order. |
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| controller. | |||||
| starts |
| too |
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| 3. | Food stuffs in the freezer too much, |
| 3.Reduce them. | |||||
| frequent, |
| door opens too frequent and open time |
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| operation |
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| too long. |
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| time too long, |
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| 4. | The environment temperature is too |
| 4.Put the freezer to suitable place | ||||||
| but |
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| high, humidity too high, airflow is |
| and make air circulate well. | ||||
| temperature |
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| impeded. |
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| drop |
| in |
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| 5. | The frost layer at the evaporator is too | 5.Remove frost regularly. | ||||||
| freezer is too | |||||||||
| slow |
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| thick. |
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| 6. | The refrigerant is insufficient or |
| 6.Check or supplement refrigerant. | ||||
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| leakage. |
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| 7. | Compressor efficiency is reduced. |
| 7.Change compressor. | |||
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| 8. | The drying filter is blocked. |
| 8.Change new drying filter. | |||
| Compressor | 1.The knob of temperature controller has | 1. | Change the position to | ||||||
| been set to “over cooling” position. |
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| moderate. | ||||||
| runs | without | 2.The | contacting point of temperature | 2. | Repair or change. | ||||
| stop, |
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| controller is adhered. |
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| temperature | 3.The | temperature | sensing probe | of | 3. | Adjust to suitable position, | |||
| in freezer | is | controller is not placed well, and causes |
| normally contact tightly with | |||||
| too low |
| maladjustment |
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| evaporator cover. | |||
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| 4.Compressor efficiency reduced. |
| 4.Change compressor. | ||||
| Compressor | 1. | Voltage is too low. |
| 1. | Supplement a stabilizer, adjust | ||||
| buzzes and |
| to rated value. | |||||||
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| cannot be |
| 2. | Starting relay out of order. |
| 2. | Change starting relay. | |||
| started, |
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| 3. | Change compressor. | |||||
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| 3. | The starting coil | of starting motor | is | |||||
| thermal |
| broken. |
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| protection |
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| 4.The shaft and piston in the | |||||
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| 4. | Compressor does not run. |
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| unit jump |
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| compressor is blocked, please | ||||||
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