Owner's Manual

28 Horizon 1000R/N Ice Machines
Ice machine disposition Possible causes Corrective action
ON OFF
Legend:
ON or OFF FLASHING
5. Ice machine is not making ice.
Locked in PURGE.
POWER
LOW BIN
AUGER ON
REFRIG ON
PURGE
TIME DELAY
CLEANING
SERVICE
HI AMPS
HI PRESS
DRAIN CLOG
HI WATER
CPU
LO WATER
1. A self- ush occurred but could
not drain evaporator due to a
failed drain solenoid valve.
2. A self- ush 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.
6. The CPU is not  ashing.
.
POWER
LOW BIN
AUGER ON
REFRIG ON
PURGE
TIME DELAY
CLEANING
SERVICE
HI AMPS
HI PRESS
DRAIN CLOG
HI WATER
CPU
LO WATER
1. Processor has been damaged. 1. Replace PC board.
7. Ice machine is making ice.
Excessive water in bin or
coming into bin from transport
tube.
.
POWER
LOW BIN
AUGER ON
REFRIG ON
PURGE
TIME DELAY
CLEANING
SERVICE
HI AMPS
HI PRESS
DRAIN CLOG
HI WATER
CPU
LO WATER
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. Clean or replace water probe
assembly. Check wiring connections.
2. Clean or replace vent tubes.
3. Replace water feed solenoid valve.
8. Ice machine is not making ice.
Lo water.
.
POWER
LOW BIN
AUGER ON
REFRIG ON
PURGE
TIME DELAY
CLEANING
SERVICE
HI AMPS
HI PRESS
DRAIN CLOG
HI WATER
CPU
LO WATER
1. Water supply is turned off.
2. Low water pressure.
3. Defective water feed solenoid
valve. Stuck in closed position.
4. No water feed output from
PC board.
1. Turn water supply on. 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.