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3. Other
Problem
Possible Cause
Remedy
[1] Abnormal noise.
a)Fan Motor
1. Bearing worn out.
1. Replace fan motor.
2. Fan blade deformed.
2. Replace fan blade.
3. Fan blade does not
move freely.
3. Replace fan blade and/or
fan motor.
b)Compressor
1. Mounting pad out of
position.
1. Reinstall.
2. Bearings worn out or
cylinder valve broken.
2. Replace compressor.
c) Refrigerant Lines
1. Rub or touch lines or
other surfaces.
1. Reposition.
d)Auger
1. Bearings or auger
worn out.
1. Replace bearings or
auger. See "V.C.1. Upper
Bearing Wear Check."
e)Gear Motor
1. Bearing or gear worn
out/damaged.
1. Replace.
f) Evaporator
1. Scale on inside wall
of evaporator freezing
cylinder.
1. Use Hoshizaki "Scale
Away" solution to clean
periodically. See "VI. A.
Cleaning and Sanitizing
Instructions." If the water
is found hard by testing,
install a softener.
2. Low refrigerant
pressures.
2. Check for leaks with a
leak detector. Check
charge. Recover, repair,
replace drier, evacuate,
and recharge. See "V.A.
Service for Refrigerant
Lines."
[2] Overflow from
reservoir (water does
not stop).
a)Water Supply
1. Water pressure too
high.
1. Install a pressure reducing
valve.
b)Water Valve
1. Does not close.
1. Clean or replace.
c) Float
1. Bad.
1. Check for proper
operation and replace.
[3] Gear motor protector
(external overload)
trips frequently.
a)Power Supply
1. Not within
specifications.
1. Refer to nameplate and
correct.
b)Gear Motor Protector
1. Defective.
1. Check and replace.
c) Auger
1. Bearings or auger
worn out.
1. Replace bearings or
auger. See "V.C.1. Upper
Bearing Wear Check."
d)Gear Motor
1. Bearing or gear worn
out or damaged.
1. Replace gear motor.
e)Bin Control Thermostat
Assembly (with
integrated heater)
1. Bad contacts.
1. Check for continuity
and replace. See
"V.F. Removal and
Replacement of Bin
Control Thermostat
Assembly."
