Hoshizaki KML-200MAE Service Manual page 30

PROBLEM
[4] Water a) Water Solenoid
continues to
be supplied in b) Controller Board
freeze cycle.
[5] No water a) Water Supply Line
comes from
Spray Tubes.
Water Pump b) Water Solenoid
will not start, or
freeze cycle
time is too c) Water System
short.
d) Pump Motor
e) Controller Board
[6] Fan Motor will a) Fan Motor
not start, or is
not operating.
b) Controller Board
[7] All components a) Refrigerant
run but no ice
is produced.
b) Compressor
c) Hot Gas Solenoid
d) Line Valve
e) Water Supply Line
POSSIBLE CAUSE
Valve
Valve
Valve
[Water-cooled model
only]
1. Diaphragm does not close.
1. Defective.
1. Water pressure too low and 1. Check and get
water level in Water Tank
too low.
1. Dirty mesh filter or orifice
and water level in Water
Tank too low.
1. Water leaks.
2. Clogged.
1. Motor winding opened.
2. Bearing worn out.
3. Wiring to Pump Motor.
4. Defective or bound impeller. 5. CLEAN
1. Defective.
1. Motor winding opened.
2. Bearing worn out.
3. Wiring to Fan Motor.
4. Defective Capacitor.
5. Fan blade bound.
1. Defective.
1. Undercharged.
2. Air or moisture trapped.
1. Defective valve.
1. Continues to open in freeze 1. Check and replace.
cycle.
1. Continues to close in
freeze cycle.
1. Condenser water pressure
too low or off and Pressure
Control opens and closes
frequently.
30
REMEDY
1. Check for water leaks
with icemaker off.
1. See "II.2.[e] CHECKING
CONTROLLER BOARD."
recommended pressure.
1. Clean.
1. Check connections for
water leaks, and replace.
2. Clean.
1. Replace.
2. Replace.
3. Check for loose
connection or open, and
replace.
1. See "II.2. [e] CHECKING
CONTROLLER BOARD."
1. Replace.
2. Replace.
3. Check for loose
connection or open, and
replace.
4. Replace
5. Check and replace.
1. See "II.2. [e] CHECKING
CONTROLLER BOARD."
1. Check for leaks and
recharge.
2. Replace Drier, and
recharge.
1. Replace.
1. Check and replace
1. Check and get
recommended pressure.