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2075DWRR
16
Design
■
Features
■
Performance
DO NOT service the unit until the main electrical power has
been disconnected.
!
WARNING
!
TROUBLESHOOTING
2075DWRR
1 Not refrigerating (compressor and fan are operating)
Cause Remedy
a. Little or no frost pattern on evaporator a. Check for sealed system leak or restriction
2 Not refrigerating (compressor not operating, fan operating)
Cause Remedy
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)
Cause Remedy
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
Cause Remedy
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
Cause Remedy
a. Defective controller a. Replace controller
b. Wiring defect b. Check wiring
6Water leak inside unit
Cause Remedy
a. Blocked drain a. Remove blockage
7 Excessive frost build-up
Cause Remedy
a. Gasket not sealing a. Repair or replace gasket
b. Product too tall for drawer or product not b. Instruct customer
allowing top bin to move forward (2075DWRR)