2075DWRR | Design ■ Features ■ Performance |
TROUBLESHOOTING
! WARNING !
DO NOT service the unit until the main electrical power has been disconnected.
2075DWRR
1 |
| Not refrigerating (compressor and fan are operating) | |||||||
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a. Little or no frost pattern on evaporator | a. | Check for | sealed system leak or restriction | ||||||
2 |
| Not refrigerating (compressor not operating, fan operating) | |||||||
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| Cause |
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a. Wire off or broken | a. Check wiring | ||||||||
b. Defective compressor - check resistence | b. Replace compressor | ||||||||
c. Defective overload | c. Replace overload | ||||||||
d. Defective relay | d. Replace relay | ||||||||
3 |
| Not refrigerating (compressor and fan not operating) | |||||||
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| Cause |
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a. No power to the unit | a. Check that unit is plugged in | ||||||||
b. On/Off switch | b. Check that switch is in the on position | ||||||||
c. Display on - check for power in to controller | c. None - Check for bad wire | ||||||||
d. Display on - check for power out of controller | d. None - Bad controller | ||||||||
e. Display off | e. Check transformer | ||||||||
f. | Thermistor light flashing | f. Bad Thermistor | |||||||
g. | Display on - power in & out of controller | g. Broken circuit - check wiring | |||||||
4 |
| Compressor overheating |
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a. Condenser air flow restricted | a. Remove restriction (clean condenser and grille) | ||||||||
b. Condenser fan blade obstructed | b. Remove blade restriction | ||||||||
c. Condenser fan motor stalled | c. Replace fan motor | ||||||||
d. Defective Compressor - check resistance | d. Replace compressor | ||||||||
5 |
| Compressor will not stop operating |
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a. Defective controller | a. | Replace | controller | ||||||
b. Wiring defect | b. Check wiring | ||||||||
6 |
| Water leak inside unit |
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| Cause |
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a. Blocked drain | a. Remove blockage | ||||||||
7 |
| Excessive frost |
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| Cause |
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a. Gasket not sealing | a. Repair or replace gasket | ||||||||
b. Product too tall for drawer or product not | b. Instruct customer | ||||||||
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| allowing top bin to move forward (2075DWRR) |
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