Others - Hoshizaki F-2000MLF Service Manual

3. OTHERS

PROBLEM
[1] Abnormal noise
[2] Overflow from
Reservoir (Water
does not stop.)
[3] Gear Motor
Protector operates
frequently.
POSSIBLE CAUSE
a) Fan Motor
b) Compressor [Except
F-2000MLF]
c) Refrigerant Lines
d) Gear Motor (Ice
Making)
e) Evaporator
f) Evaporator Pressure
Regulator
[F-2000MLF only]
a) Water Supply
b) Control Water Valve
c) Float Switch
a) Power Supply
Voltage
b) Evaporator Assy
c) Bin Control
1. Bearing worn out.
2. Fan blade deformed. 2. Replace fan blade.
3. Fan blade does not
move freely.
1. Bearings worn out,
or cylinder valve
broken.
2. Mounting pad out of
position.
1. Rub or touch lines or
other surfaces.
1. Bearing or Gear
worn out / damaged.
1. Too much pressure
loss.
2. Scale on inside wall
of Freezing Cylinder.
1. Low-side pressure
too low.
1. Water pressure too
high.
1. Diaphragm does not
close.
1. Bad contacts.
1. Too high or too low.
1. Bearings or Auger
worn out.
1. Bad contacts.
2. Activator does not
move freely.
57
REMEDY
1. Replace.
3. Replace.
1. Replace.
2. Reinstall.
1. Replace.
1. Replace.
1. Replace.
2. Remove Auger. Use
"SCALE AWAY" or
"LIME-A-WAY"
solution to clean
periodically. If the
water is found hard by
testing, install a
softener.
1. Check Evaporator
Pressure Regulator,
and adjust or replace it
if necessary.
1. Install a pressure
Reducing Valve
1. Clean or replace.
1. Check for continuity
and replace.
1. Connect the unit to a
power supply of
proper voltage.
1. Replace Bearing or
Auger.
1. Check for continuity
and replace.
2. Clean Axle and its
corresponding holes
or replace Bin Control.