Follett HCE/HME700A, Operation And Service Manua

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Ice machine disposition Possible causes Corrective action
5. Ice machine is not making ice.
Drain clog.
.
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.
4. No vent on external drain line.
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.
4. Add vent to drain line.
6. Ice machine is making ice.
Excessive water in bin or
coming into bin from transport
tube.
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.
7. Ice machine is not making ice.
Lo water.
1. Water supply is insufficient.
2. Low water pressure.
3. Defective water feed solenoid
valve. Stuck in closed position.
4. No water feed output from
PC board.
1. Restore water supply and check
water filters. 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.
8. Service required. 1. 30,000 hour bushing check. 1. Call Follett technical service
group at (877) 612-5086 or
+1 (610) 252-7301.
ATTENTION!
To prevent circuit breaker overload, wait 15 minutes before
restarting this unit. This allows the compressor to equalize and
the evaporator to thaw.