Hoshizaki KM-40B, Руководство по обслуживанию

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40
PROBLEM POSSIBLE CAUSE REMEDY
[5] No water
comes from
Spray Tubes.
Water Pump
will not start, or
freeze cycle
time is too
short.
a) Water Supply
Line
1. Water pressure too low
and water level in Water
Tank too low.
1. Check and get
recommended pressure.
b) Inlet Water Valve 1. Dirty mesh filter or
orifice and water level in
Water Tank too low.
1. Clean.
c) Water System 1. Water leaks. 1. Check connections for
water leaks, and replace.
2. Clogged. 2. Clean.
d) Pump Motor 1. Motor winding opened. 1. Replace.
2. Bearing worn out. 2. Replace.
3. Wiring to Pump Motor. 3. Check for loose
connection or open, and
replace.
4. Defective Capacitor. 4. Replace.
5. Defective or bound
impeller.
5. Replace and clean.
e) Control Board 1. Defective. 1. See “II. 3. [d] CONTROL
BOARD CHECK
PROCEDURE”.
[6] Fan Motor will
not start, or is
not operating.
a) Fan Motor 1. Motor winding opened. 1. Replace.
2. Bearing worn out. 2. Replace.
3. Wiring to Fan Motor. 3. Check for loose
connection or open, and
replace.
4. Fan blade bound
(locked Fan Motor).
4. Check and replace.
b) Control Board 1. Defective. 1. See “II. 3. [d] CONTROL
BOARD CHECK
PROCEDURE”.
[7] All
components
run but no ice
is produced.
a) Refrigerant 1. Undercharged. 1. Check for leaks and
recharge.
2. Air or moisture trapped. 2. Replace Drier, and
recharge.
b) Compressor 1. Defective valve. 1. Replace.
c) Hot Gas Solenoid
Valve
1. Continues to open in
freeze cycle.
1. Check and replace.