Others - Hoshizaki DCM-270BAH Service Manual

4. OTHERS

PROBLEM
a) Bin Control Switch
[1] Ice dispenser
will not stop
even if filled b) Water Control Relay
c) Timer
with ice.
a) Water Supply
[2] Reservoir
overflows.
(Water will
not stop.) b) Water Valve
c) Float Switch
d) Water Control Relay
[3] A lot of water a) Mechanical seal
(normally less than
drains from
0.017 fl. oz./hour)
Gear Motor
Drain Pipe.
a) Fan Motor
[4] Abnormal
noise.
b) Compressor
c) Refrigerant Lines
d) Gear Motor (Ice
Making)
e) Evaporator
f) Solenoid (Shutter)
g) Water Valve
h) Extruding Head
i) Housing
POSSIBLE CAUSE
1) Contacts fused.
2) Out of position.
1) Contacts fused.
1) Defective.
1) Water pressure too high.
1) Cannot close.
1) Bad contacts (red and black
leads).
2) Defective.
1) Coil winding opened.
2) Bad contacts (Terminal Nos.
1 and 3).
1) Dirt stuck on seal surface.
2) Worn out.
1) Bearings worn out.
2) Fan Blade deformed.
3) Fan Blade caught on foreign
object.
1) Bearings worn out, or
cylinder valve broken.
2) Mounting pad out of posi-
tion.
1) Rubbing or touching lines or
other surfaces.
1) Bearing or Gear wear/
damage.
1) Scale on inside wall of
Freezing Cylinder.
1) Worn out.
2) Foreign matter on Plunger
surface.
1) Foreign matter on Plunger.
1) Bearing worn out.
1) Bearing worn out.
25
REMEDY
1) Replace.
2) Reinstall.
1) Replace.
1) Replace.
1) If pressure is consistently
too high, install a pres-
sure reducing valve.
1) Clean or replace.
1) Check for continuity and
replace.
2) Replace.
1) Replace.
2) Check for continuity and
replace.
1) Clean or replace.
2) Replace.
1) Replace.
2) Replace Fan Blade.
3) Remove the object.
1) Replace.
2) Reinstall.
1) Replace.
1) Replace.
1) See chart 2 - [1] - e).
1) Replace.
2) Clean.
1) Clean.
1) Replace.
1) Replace.