40
Problem
Possible Cause
Remedy
[2]All ice formed on
ecaorator does not
fall into bin in harvest.
(continued).
g)Thermistor
1. Out of position or
loose attachment.
1.
See "V.B. Important
Notes for Component
Replacement."
h)Control Board
1. Harvest timer is set
too short.
1. Adjust longer, referring
to "II.C.3. Controls and
Adjustments, c) Harvest
Timer.
2. Defective.
2.
See "IV.B. Control Board
Check."
[3]Other
a)Spray Tubes
1. Clogged.
1. Clean
2. Out of position.
2. Place in position.
b)Water System
1. Dirty.
1. Clean.
c) Refrigerant
1. Undercharged.
1. Check for leaks and
recharge.
d)Expansion Valve
1. Bulb out of position or
loose attachment.
1. Place in position.
2. Defective.
2. Replace.
e)Hot Gas Valve
1. Coil winding opened.
1. Replace.
2. Plunger does not
move.
2. Replace.
3. Wiring to hot gas
valve.
3. Check for loose
connection or open, and
replace.
f) Ice Cube Guide
1. Out of position and ice
trapped.
1. Place in position.
g)Water Supply Line
1. Too small; requires
1/2" OD line dedicated
per machine.
1. Increase water line size.
h)Water Filter
1. Flow rate too small.
1. Replace with filter that has
larger flow rate.
3. Low Ice Production
Problem
Possible Cause
Remedy
[1] Freeze cycle time is
long.
a) See chart 1.[3] and check dirty air filter or condenser, ambient or water
temperature, water pressure, condenser water regulating valve (water-cooled
model), and refrigerant charge.
b) See chart 2.[1] and check float switch, inlet water valve and control board.
c) Check pump, hot gas valve, headmaster (C.P.R.) (remote air-cooled model),
expansion valve, refrigeration check valve, and compressor.
[2] Harvest cycle time is
long.
a) See chart 2.[2] and check control board, thermistor, evaporator, ambient and/or
water temperature, water supply line, inlet water valve, line valve, and gas valve.
