26
Troubleshooting
Please see “Service” section for a description of each function.
Ice machine disposition
Possible causes
Corrective action
FLASHING
ON or OFF
Legend:
OFF
ON
1. Ice machine is in running
condition but not making ice.
PO
WER
LO
W BIN
A
UGER ON
REFRIG ON
PURGE
TIME DELA
Y
CLEANING
SER
VICE
HI
AMPS
HI PRESS
DR
AIN CL
OG
HI
WA
TER
CPU
LO
W
A
TER
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.
1. Replace compressor.
2. Replace start relay.
3. Replace start capacitor.
4. Replace run capacitor.
5. Replace main contactor.
6. Replace PC board.
2. The CPU is not flashing.
PO
WER
LO
W BIN
A
UGER ON
REFRIG ON
PURGE
TIME DELA
Y
CLEANING
SER
VICE
HI
AMPS
HI PRESS
DR
AIN CL
OG
HI
WA
TER
CPU
LO
W
A
TER
1. Processor has been damaged.
1. Replace PC board.
3. Machine in TIME DELAY without
full bin.
PO
WER
LO
W BIN
A
UGER ON
REFRIG ON
PURGE
TIME DELA
Y
CLEANING
SER
VICE
HI
AMPS
HI PRESS
DR
AIN CL
OG
HI
WA
TER
CPU
LO
W
A
TER
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. Correct transport tube routing.
2. Repair or replace shuttle
mechanism.
3. Replace or reposition
thermostat.
4. Correct coupling installation.
4. Ice machine is not making ice.
Locked in PURGE.
PO
WER
LO
W BIN
A
UGER ON
REFRIG ON
PURGE
TIME DELA
Y
CLEANING
SER
VICE
HI
AMPS
HI PRESS
DR
AIN CL
OG
HI
WA
TER
CPU
LO
W
A
TER
1. A self-flush occurred but could
not drain evaporator due to a
failed drain solenoid valve.
2. A self-flush occurred but could
not drain evaporator due to water
reservoir or ice machine not
being level.
1. Replace drain solenoid valve.
2. Level ice machine. Check water
reservoir to make sure it is not
tilted towards the compressor.
5. Ice machine is not making ice.
HI AMPS.
PO
WER
LO
W BIN
A
UGER ON
REFRIG ON
PURGE
TIME DELA
Y
CLEANING
SER
VICE
HI
AMPS
HI PRESS
DR
AIN CL
OG
HI
WA
TER
CPU
LO
W
A
TER
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. 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.
(see page 15 for “no current” details)
