Follett HCC1400A Operation And Service Manual page 27

Ice machine disposition
Legend:
ON
6. Ice machine is not making ice.
HI PRESSURE.
7. Ice machine is not making ice.
Drain clog.
8. Ice machine is making ice.
Excessive water in bin or
coming into bin from transport
tube.
9. Ice machine is not making ice.
Lo water.
Possible causes
OFF ON or OFF
1. High ambient temperatures
>100 F (38 C).
2. Poor ventilation or air
recirculation.
3. Clogged condenser.
4. Fan not working properly. No air
fl ow.
• Blocked fan blades
• No fan output from PC board
• Faulty fan motor
1. Drain hose kinked or plugged
causing water to back up.
2. Improper fl oor drain routing/pitch
causing water to back up.
3. High TDS levels and leaking
drain solenoid may cause an
errant drain clog.
1. Failed water sensors. 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 turned off.
2. Low water pressure.
3. Defective water feed solenoid
valve. Stuck in closed position.
4. No water feed output from
PC board.
FLASHING
27
Corrective action
1. Air condition area to below
100 F (38 C).
2. Reposition ice machine or
properly ventilate. Prevent
ice machine exhaust from
recirculating.
3. Clean condenser grille.
4. Correct air fl ow.
• Remove any blockage from
fan blades
• Replace PC board
• Replace fan motor
1. Remove kink or blockage from
drain hose.
2. Re-route fl oor drain.
3. Clean area around drain sensor
and/or replace Drain solenoid
valve.
1. Clean or replace water probe
assembly. Check wiring
connections.
2. Clean or replace vent tubes.
3. Replace water feed solenoid
valve.
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.