Hoshizaki KM-40C-HC Service Manual page 53

PROBLEM
[5] No water comes
from spray tubes.
Water pump
will not start, or
freeze cycle time
is too short.
[6] Fan motor will
not start, or is
not operating.
[7] All components
run but no ice is
produced.
POSSIBLE CAUSE
a) Water Supply Line 1. Water pressure too low
b) Inlet Water Valve
c) Water System
d) Pump Motor
e) Control Board
f) Drain Valve
g) Float Switch
h) Switching
Regulator
a) Fan Motor
b) Control Board
a) Refrigerant
b) Compressor
c) Hot Gas Solenoid
Valve
and 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. 1. Replace.
2. Bearing worn out.
3. Wiring to pump motor.
4. Defective Capacitor.
5. Defective or bound
impeller.
1. Defective.
1. Leaking by.
1. Dirty or erratic
operation.
1. Defective.
1. Motor winding opened. 1. Replace.
2. Bearing worn out.
3. Wiring to fan motor.
4. Fan blade bound
(locked fan motor).
1. Defective.
1. Undercharged.
2. Air or moisture trapped. 2. Replace drier, and
1. Defective valve.
1. Continues to open in
freeze cycle.
49
REMEDY
1. Check and get
recommended pressure.
1. Clean.
1. Check connections
for water leaks, and
replace.
2. Clean.
2. Replace.
3. Check for loose
connection or open
circuit, and replace.
4. Replace.
5. Replace and clean.
1. Check and replace.
1. Clean or replace.
1. Clean or replace.
1. Check and replace.
2. Replace.
3. Check for loose
connection or open
circuit, and replace.
4. Check and replace.
1. Check and replace.
1. Check for leaks and
recharge.
recharge.
1. Replace.
1. Check and replace.