Hoshizaki CUBELET ICEMAKER/DISPENSER DCM-750BAH-OS - Manual (Page 41)

4
Problem Possible Cause Remedy
[5] All components
run, but no ice is
produced. (continued)
d) Evaporator . Defective. . Replace.
e) Water Supply Line
(water-cooled model
only)
. Condenser water
pressure too low or
off and high pressure
control opens and
closes frequently.
. Check and get
recommended pressure.
f) Water Regulating Valve
(water-cooled model
only)
. Water regulating
valve set too high or
clogged (water-cooled
model only).
. Clean, adjust, or replace.
2. Low Ice Production
Problem Possible Cause Remedy
[] Low ice production. a)Evaporator . Dirty or defective. . Clean or replace.
b)Bin Control . Erratic, sticking,
defective.
. Clean or replace.
c) Drain Valve . Leaking water. . Clean or replace.
d)Expansion Valve . Bulb loose. . Secure bulb.
. Operating erratically. . Check and replace.
e)Refrigerant Charge . Low charge. . See "V.B. Service for
Refrigerant Lines."
. Overcharge. . See "V.B. Service for
Refrigerant Lines."
f) Refrigerant Line . Refrigerant line or
component restricted.
. Repair/replace the
clogged line/component
and replace the drier.
g)High-Side Pressure
Too High
. Dirty air filter or
condenser.
. Clean.
. Ambient (or
condenser) water
temperature too warm.
. Reduce temperature.
3. Fan motor slow rpm. 3. See "3. [] a) Fan Motor."
4. Fan motor capacitor. 4. Check and replace.
5. Condenser water
pressure too low or off
(water-cooled model
only).
5. Check and get
recommended pressure.
6. Water regulating
valve set too high or
clogged (water-cooled
model only).
6. Clean, adjust, or replace.
h)Compressor . Inefficient compressor. . Replace
. Faulty thermal
protector (overload).
. Replace compressor.
3. Faulty capacitor/
starter.
3. Replace.