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51
166240004
12/1/94
Rev 3/4/96
TROUBLESHOOTING
IMPORTANT: Only qualified personnel should service internal components or electrical wiring.
Trouble Probable Cause Remedy
CUBER NOT OPERATING A. Power switch in center “OFF”
position.
A. Place switch in “ON” position.
CUBER NOT OPERATING,
INDICATOR LIGHTS “OFF”,
NO POWER TO CIRCUIT
BOARD
A. Test power switch and leads. A. If defective, replace.
B. High pressure cut-out open.
(water cooled or remote
systems)
B. Press manual reset.
Determine cause:
Water supply shut off; water
pressure too low; water valve
defective or out of adjustment;
water condenser dirty or
corroded; unit overcharged; water
inlet pressure too high. Replace
defective component as needed.
CUBER NOT OPERATING,
INDICATOR LIGHTS “OFF”,
POWER TO THE CIRCUIT
BOARD
A. Magnet not in proximity switch
field.
A. Water curtain drifting out of switch
range. Reduce clearance between
curtain and proximity switch.
B. No curtain movement. B. Adjust proximity switch.
C. Faulty proximity switch. C. Replace proximity switch.
D. Unit “OFF” due to bin full. D. Remove ice from curtain.
Eliminate curtain restriction.
COMPRESSOR DOES NOT
RUN, CIRCUIT BOARD
INDICATOR LIGHTS “ON”
A. Check contactor and leads. A. Replace if defective.
B. Compressor overload “open”. B. Permit overload to cool and reset
or replace.
C. Check compressor and start
components.
C. Replace as needed.