Others - Hoshizaki TM-500AAE Service Manual

3. OTHERS

PROBLEM
[1] Abnormal noise
[2] Overflow from
Tank (Water
does not stop.)
[3] Gear Motor
Protector
operates
frequently.
POSSIBLE CAUSE
a) Fan Motor
(Condenser Unit)
b) Compressor
c) Refrigerant Lines
d) Gear Motor (Ice
Making)
e) Evaporator
f) Gear Head
g) Heater
a) Water Valve
b) Float Switch
a) Power Supply
Voltage
b) Evaporator Assy
1. Bearing worn out.
2. Fan blade deformed.
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
wear/damage.
1. Low-side pressure too
low.
1. Damaged.
1. Broken.
1. Diaphragm does not
close.
1. Bad contacts.
1. Too high or too low.
1. Bearing, Drum or
Gear Head worn out.
45
REMEDY
1. Replace.
2. Replace fan blade.
3. Replace.
1. Replace.
2. Reinstall.
1. Replace.
1. Replace.
1. See if Expansion Valve Bulb is
mounted properly, and
replace the valve if necessary.
1. Replace.
1. Replace.
1. Clean or replace.
1. Check for continuity and
replace.
1. Connect the unit to a power
supply of proper voltage.
1. Replace Bearing, Drum or
Gear Head.