Hoshizaki KM-901MAH Manuel D’Utilisation

67

[] Cloudy or irregular 

cubes.

a) Evaporator 

. Frozen up.

. See chart . 

. Scaled up.

. Clean

3. Damaged.

3. Replace.

b) Water System

. Water supply line too 

small; requires 3/8" 
OD line dedicated per 
machine.

. Increase water line size.

. Water filter clogged or 

flow rate too small.

. Replace filter or install a 

higher flow rate filter.

3. High hardness or 

contains impurities.

3. Install a water softener or 

filter.

c) Spray Guide

. Dirty.

. Clean.

[] Icemaker will not stop 

when bin is filled with 
ice.

a) Thermostatic Bin 

Control

. Set too cold.

. See "IV.C.. Thermostatic 

Bin Control Check."

. Defective.

. Replace.

b) Mechanical Bin Control . Movement restricted. . Check and free.

. Loose connection.

. Check and reconnect.

3. Defective

3. See "IV.C.. Mechanical 

Bin Control Check and 
Cleaning."

c) Control Board ("G" 

control board with 
mechanical bin control)

. Defective.

. See "IV.B. Control Board 

Check."

[] Abnormal noise.

a) Pump Motor

. Bearings worn out.

. Replace.

b) Fan Motor (except 

water-cooled model)

. Bearings worn out.

. Replace.

. Fan blade deformed.

. Replace.

3. Fan blade does not 

move freely.

3. Replace.

c) Compressor

. Bearings worn out or 

cylinder valve broken.

. Replace.

. Mounting pad out of 

position.

. Reinstall.

d) Refrigerant Lines

. Rub or touch other 

lines or surfaces.

. Reposition.

[3] Ice in storage bin 

often melts.

a) Drain Line(s)

. Plugged.

. Clean.

b) Icemaker and Bin

. Drains not run 

separately.

. Separate the drain lines.

c) Ice Cube Guide

. Out of position. 

Circulated water falls 
into bin.

. Place in position.