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Ice machine disposition
Legend:
ON
5. Ice machine is making ice.
Excessive water in bin or
coming into bin from transport
tube.
6. Ice machine is not making ice.
Low water.
7.
Blinking Low water, power, time
delay.
ATTENTION!
To prevent circuit breaker overload, wait 5 minutes before restarting
this unit. This allows the compressor to equalize and the evaporator
to thaw.
HCF1412R, HCF1412K
Possible causes
OFF
ON or OFF
1. Failed water sensors. Processor
assumes there is no water when
there is water.
2. Blocked reservoir vent.
3. Defective water feed solenoid
valve. Stuck in open position.
1. Water supply is insufficient.
2. Low water pressure.
3. Defective water feed solenoid
valve. Stuck in closed position.
4. No water feed output from
PC board.
5. Plugged screen on inlet side of
fill solenoid.
6. Plugged check valve.
Machine has not yet energized fill
solenoid in specified amount of
time during normal operation.
1. Lack of refrigeration/low
refrigerant charge/leak.
2. Debris shorting reservoir probes.
Corrective action
FLASHING
1. Clean or replace water probe
assembly. Check wiring
connections.
2. Clean or replace vent tubes.
3. Replace water feed solenoid
valve.
1. Restore water supply and check
water filters. If evaporator was
completely empty the reset button
may have to be pressed to restart
the ice machine.
2. Ice machine will eventually start
when water reaches normal lo level.
3. Replace water feed solenoid valve.
4. Replace PC board.
5. Remove and clean screen.
6. Replace check valve.
1. Verify refrigerant pressures,
compressor running, sight glass
clear.
2. Clean probes and reservoir of
debris.
33
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