Troubleshooting - Follett Horizon Elite HCF1412R Operation And Service Manual

Troubleshooting

Please see "Service" section for a description of each function.
Ice machine disposition
Legend:
ON
1. Machine in TIME DELAY without full
bin.
2. Ice machine is not making ice.
HI AMPS.
.
3. Ice machine is not making ice.
SERVICE.
.
4. Drain clog.
.
32
Possible causes
OFF ON or OFF
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.
5. Damaged shuttle mechanism.
1. Excessive scaling on internal
components.
2. Damaged shuttle mechanism.
3. Intermittent drive output from
PC board. Evaporator will freeze
causing a HI AMPS error.
4. Gearmotor is unplugged.
1. Internal water leak touching chassis
sensor.
1. Improper flow in drain system.
2. Inoperable purge solenoid.
Corrective action
FLASHING
1. Correct transport tube routing.
2. Repair or replace shuttle mechanism.
3. Replace or reposition thermostat.
4. Correct coupling installation.
5. Replace or repair shuttle
mechanism.
1. Clean ice machine. Increase
flushing frequency. Position TDS switch
to High TDS setting.
2. Replace or repair shuttle
mechanism.
3. Replace PC board.
4. Plug in gearmotor.
1. Identify and repair leak. Clean/dry
chassis and sensors and restart
machine.
1. Correct/clean drain system.
2. Test and verify purge solenoid operation.
HCF1412R, HCF1412K