Hoshizaki KM-201BAH Service Manual page 46

PROBLEM
[4] Water a) Inlet Water Valve
continues to
be supplied in
freeze cycle.
b) Control Board
[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
1. Diaphragm does not
1. Defective.
1. Dirty mesh filter or
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
1. Defective.
1. Motor winding opened.
2. Bearing worn out.
3. Wiring to fan motor.
4. Fan blade bound
1. Defective.
1. Undercharged.
2. Air or moisture trapped.
1. Defective.
1. Continues to open in
Valve
close.
and water level in water
tank too low.
orifice and water level in
water tank too low.
impeller.
(locked fan motor).
freeze cycle.
41
REMEDY
1. Check for water leaks
with icemaker off.
Replace if necessary.
1. See "II. 3. [d] CONTROL
BOARD CHECK
PROCEDURE".
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.