Troubleshooting - Follett C33985 Operation And Service Manual

Troubleshooting

Please see "Service" section for a description of each function.
Ice machine disposition
Legend:
ON
1. Ice machine is in running
condition but not making ice.
2. Machine in TIME DELAY without
full bin.
3. Ice machine is not making ice.
HI AMPS.
.
4. Ice machine is not making ice.
Drain clog.
.
Horizon 1400R/N Ice Machines
Possible causes
OFF ON or OFF
1. Defective compressor.
2. Defective start relay.
3. Defective start capacitor.
4. Defective run capacitor.
5. Defective main contactor.
6. No output from PC board.
7. Machine in Purge cycle.
1. Ice jamming due to improperly
installed transport tube causing
a false shuttle.
2. Shuttle stuck in up position.
3. Damaged or improperly installed
thermostat (open).
4. Transport tube backed-out of
coupling.
1. Poor water quality causing ice to
jam auger.
2. Damaged shuttle mechanism or
thermostat (closed).
3. Kinked transport tube
(thermostat systems).
4. Intermittent drive output from
PC board. Evaporator will freeze
causing a hi amps error.
5. Gearmotor is unplugged.
1. Drain hose kinked or plugged
causing water to back up.
2. Improper floor drain routing/pitch
causing water to back up.
3. High TDS levels and leaking
drain solenoid may cause an
errant drain clog.
Corrective action
FLASHING
1. Replace compressor.
2. Replace start relay.
3. Replace start capacitor.
4. Replace run capacitor.
5. Replace main contactor.
6. Replace PC board.
7. Check for Purge operation.
1. Correct transport tube routing.
2. Repair or replace shuttle
mechanism.
3. Replace or reposition thermostat.
4. Correct coupling installation.
1. Clean ice machine. Increase
flushing frequency.
2. Replace or repair shuttle
mechanism/thermostat.
3. Straighten transport tube.
4. Replace PC board.
5. Plug in gearmotor.
1. Remove kink or blockage from
drain hose.
2. Re-route floor drain.
3. Clean area around drain sensor
and/or replace
Drain solenoid valve.
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