Hoshizaki KMD-700MAH, Руководство по обслуживанию

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53
Problem Possible Cause Remedy
[1] Continued from
previous page.
l) Controller Board 1. Defective. 1. See "II.2[e] Checking the
Controller Board."
m) 1. OFF Position 1. Move to ON position.
2. Bad contacts. 2. Check for continuity and
replace.
[2] a) Float Switch 1. Connector disconnected. 1. Place in position.
2. Leads opened or defective
switch.
2. Check and replace.
3. Float does not move
freely.
3. Clean or replace.
b) Controller Board 1. Defective. 1. Replace.
[3] a) Wash Switch 1. WASH position. 1. Move to ICE position.
2. Bad contacts. 2. Check and replace.
b) High Pressure Control 1. Dirty air filter or
condenser.
1. Clean.
2. Ambient or condenser
water temperature too
warm.
2. Reduce temperature.
3. Refrigerant overcharged. 3. Recharge.
4. Refrigerant line or
components plugged.
4. Clean and replace drier.
5. Fan not operating. [Except
water-cooled model]
5. See chart 1.[6]
6. Condenser water pressure
too low or off. [Water-
cooled model only]
6. Check and get
recommended pressure.
c) Overload Protector 1. Bad contacts. 1. Check for continuity and
replace.
2. Voltage too low. 2. Increase voltage.
3. Refrigerant overcharged or
undercharged.
3. Recharge.
4. Line valve continues to
close in freeze cycle and
overload protector
operates.
4. Check line valve's
operation in freeze cycle
and replace.
d) Starter 1. Bad contacts. 1. Check and replace.
2. Coil winding opened. 2. Replace.
e) Start Capacitor or Run
Capacitor
1. Defective. 1. Replace.
f) Magnetic Contactor 1. Bad contacts. 1. Check for continuity and
replace.
2. Coil winding opened. 2. Replace.
g) Compressor 1. Wiring to compressor. 1. Check for loose
connection or open, and
replace.
2. Defective. 2. Replace.
3. Protector tripped. 3. Reduce temperature.
Interlock Switch
(Cleaning Valve)
Compressor will not
start or operates
intermittently.
Water continues to
be supplied, and the
icemaker will not
start.