Hoshizaki KM-320MWH Benutzerhandbuch

9

j) Water Supply Line

1. Water supply off and 

water supply cycle 
does not finish.

1. Check and get 

recommended pressure.

. Condenser water 

pressure too low 
or off and pressure 
control opens and 
closes frequently to 
finally operate high 
temperature safety.

. Check and get 

recommended pressure.

k) Water Solenoid

1. Mesh filter or orifice 

gets clogged and 
water supply cycle 
does not finish.

1. Clean.

. Coil winding opened. . Replace.
3. Wiring to water valve. 3. Check for loose 

connection or open, and 
replace.

l) Controller Board

1. Defective.

1. See "II.B.5. Checking the 

Controller Board."

m)Interlock Switch 

(Cleaning Valve)

1. OFF Position

1. Move to ON position.

. Bad contacts.

. Check for continuity and 

replace.

[] Water continues to 

be supplied, and the 
icemaker will not 
start.

a)Float Switch

1. Connector 

disconnected.

1. Place in position.

. Leads opened or 

defective switch.

. Check and replace.

3. Float does not move 

freely.

3. Clean or replace.

b)Controller Board

1. Defective.

1. Replace.

c) Contactor

1. Open coil or contacts 

worn.

1. Replace.

[3] Compressor will 

not start or stops 
operating.

a)Wash Switch

1. WASH position.

1. Move to ICE position.

. Bad contacts.

. Check and replace.

b)High Pressure 

Controller

1. Dirty air filter or 

condenser.

1. Clean.

. Ambient or condenser 

water temperature too 
warm.

. Reduce temperature.

3. Refrigerant 

overcharged.

3. Recharge.

4. Condenser water 

pressure too low or off. 
(water-cooled model)

4. Check and get 

recommended pressure.

5. Fan not operating. 

(except water-cooled 
model)

5. See chart A.[6]

6. Refrigerant line or 

components plugged.

6. Clean and replace drier.