Others - Hoshizaki DCM-60KE Service Manual

4. OTHERS

PROBLEM
[1] Abnormal noise
[2] Overflow from
reservoir (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
a) Water supply
b) Water valve
c) 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
defective.
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.
2. Scale on inside wall of
freezing cylinder.
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.
48
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.
2. Remove auger. Use a solution
of lime removing cleaner to
clean periodically. If water is
found to surpass the following
levels, install a conditioner.
Hardness 50 ppm
Silica 30 ppm
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.