Troubleshooting - U-Line Echelon CO2075FF Service And Parts Manual

2075WC/2015WC MODELS

TROUBLESHOOTING

1. Not refrigerating (compressor and
fan are operating)
Cause
a. Little or no frost pattern on evaporator.
2. Not refrigerating (compressor not operating -
fan operating)
Cause
a. Relay defective.
b. Overload defective (open).
c. Compressor defective.
3. Not refrigerating (compressor and fan not
operating)
Cause
a. Control defective (open).
b. Broken wire in compressor circuit.
c. Power cord not plugged in.
d. Control in off position.
4. Compressor overheating
Cause
a. Condenser air flow restricted.
b. Condenser fan blade obstructed.
c. Condenser fan motor stalled.
d. Defective compressor.
5. Compressor will not stop operating
Cause
a. Control set too cold.
b. Control defective (contacts will not open).
c. Control sensing bulb not sensing evaporator
plate.
6. Water leak (inside unit)
Cause
a. Defrost drain plugged.
7. Excessive frost build-up
Cause
a. Door gasket not sealing properly.
b. Door out of alignment.
c. Water soaked cabinet insulation.
d. Light stays on when door is closed.
8. Noisy
Cause
a. Copper refrigeration tube touching cabinet.
b. Fan blade touching shroud.
c. Fan blade obstruction (wiring, foam insulation,
packaging material).
9. Fresh food temperature too cold
Cause
a. Temperature control set too cold.
! DANGER
DO NOT service the unit until the main electrical power has
been disconnected.
Remedy
a. Check for sealed system leak or restriction.
Remedy
a. Replace relay.
b. Replace overload.
c. Replace compressor.
Remedy
a. Replace control.
b. Repair or replace wiring.
c. Plug in power cord.
d. Rotate control knob clockwise.
Remedy
a. Remove restriction (clean condenser and grille).
b. Remove blade restriction.
c. Replace fan motor.
d. Replace compressor.
Remedy
a. Adjust control warmer (counterclockwise).
b. Replace control.
c. Clamp bulb completely against bottom of
plate, routing bulb away from compressor
discharge tube.
Remedy
a. Remove obstruction.
Remedy
a. Adjust door hinges or replace door gasket.
b. Align fill door hinges.
c. Replace foamed cabinet assembly (factory
repair only).
d. Repair light bracket.
Remedy
a. Carefully adjust tubing.
b. Adjust fan mounting or shroud.
c. Remove obstruction.
Remedy
a. Adjust control to warmer setting
(counterclockwise).
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Design Features Performance
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