28
12CI400A • 12HI400A
Problem
Indicators
Corrective Action
Compressor cycles
intermittently.
System status:
gearmotor and fan
motor run.
1. Compressor start relay in wrong position.
2. High pressure cutout open due to high head
pressure.
3. Clogged or dirty air filter or condenser coil.
4. Improper ventilation.
5. Defective compressor.
1. Position relay with arrow or word “top”.
2. Check discharge pressure and adjust water regulator
valve.
3. Clean or replace filter, clean condenser coil.
4. Provide inlet and exhaust air provisions per Follett ice
machine installation manual.
5. Replace compressor.
Unit runs but not
making ice.
System status:
compressor, gearmotor
& fan motor running.
1. Clogged or dirty air filter or condenser coil.
2. Compressor not pumping.
3. Low refrigerant charge.
1. Clean or replace filter, clean condenser coil.
2. Replace compressor.
3. Check for leaks; repair, evacuate, and weigh in correct
charge.
Compressor and fan
motor will not run.
Gearmotor runs.
1. Compressor switch in OFF position.
2. No output on compressor and fan motor terminals
on control board.
3. Failed fan motor causes high pressure cut-out to
open.
1. Turn compressor switch on.
2. Replace control board.
3. Replace fan motor.
Intermittent noises from
evaporator.
1. Mineral build-up on evaporator surface.
1. Clean evaporator with liquid ice machine cleaner.