Hoshizaki KM-650MAH Benutzerhandbuch

37

[3]Other (continued)

g)Water Supply Line

. Too small; requires 

3/8" OD line dedicated 
per machine.

. Increase water line size.

h)Water Filter  

. Flow rate too small.

. Replace with filter that has 

larger flow rate.

[] Freeze cycle time is 

long.

a) See chart .[3] and check dirty air filter or condenser, ambient or water 

temperature, water pressure, condenser water regulating valve (water-cooled 
model), and refrigerant charge.

b) See chart .[] and check float switch, inlet water valve and control board.

c) Check pump, hot gas valve, headmaster (C.P.R.) (remote air-cooled model), 

expansion valve, refrigeration check valve, and compressor.

[] Harvest cycle time is 

long.

a) See chart .[] and check control board, thermistor, evaporator, ambient and/or 

water temperature, water supply line, inlet water valve, line valve, and gas valve.

[] Small cubes.

a) Ice Cube Guide

. Out of position. 

Circulated water falls 
into bin.

. Place in position.

b) See chart .[5] and check water supply line, inlet water valve, water system, 

pump motor, and control board.

c) Pump Out Check Valve . Dirty.

. Clean.

[] Cloudy or irregular 

cubes.

a) See chart .[] and .[3], and check float switch, inlet water valve, control 

board, spray tubes, water system, refrigerant charge, and expansion valve.

b) Spray Guide

. Dirty.

. Clean.

c) Water Quality

. High hardness or 

contains impurities.

. Install a water softener or 

filter.

[] Icemaker will not stop 

when bin is filled with 
ice.

a) Bin Control Thermostat . Set too cold.

. Adjust warmer.

. Defective.

. Replace

[]

Abnormal noise

.

a) Pump Motor

. Bearings worn out.

. Replace

b) Fan Motor

. Bearings worn out.

. Replace

. Fan blade deformed.

. Replace fan blade.

3. Fan blade does not 

move freely.

3. Replace.

c) Compressor

. Bearings worn out or 

cylinder valve broken.

. Replace.