Hoshizaki KM-100A Service Manual page 33

PROBLEM
[5] No water a) Water Supply Line 1. Water pressure too low
comes from
Spray Tubes.
Water Pump
b) Inlet Water Valve
will not start, or
freeze cycle
time is too
c) Water System
short.
d) Pump Motor
e) Control Board
[6] Fan Motor will a) Fan Motor
not start, or is
not operating.
b) Control Board
[7] All a) Refrigerant
components
run but no ice
is produced.
b) Compressor
c) Hot Gas Solenoid
POSSIBLE CAUSE
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.
2. Bearing worn out.
3. Wiring to Pump Motor.
4. Defective Capacitor.
5. Defective or bound
impeller.
1. Defective.
1. Motor winding opened.
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.
1. Defective.
1. Continues to open in
freeze cycle.
30
REMEDY
1. Check and get
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.
4. Replace.
5. Replace and clean.
1. See "II. 3. [d] CONTROL
BOARD CHECK
PROCEDURE".
1. Replace.
2. Replace.
3. Check for loose
connection or open, and
replace.
4. Check and replace.
1. See "II. 3. [d] CONTROL
BOARD CHECK
PROCEDURE".
1. Check for leaks and
recharge.
2. Replace Drier, and
recharge.
1. Replace.
1. Check and replace.