Hoshizaki DCM-500BWH-OS - Manual (Page 43)

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4. Dispensing
Problem Possible Cause Remedy
[1] No ice dispensed. a) Power Supply 1. "OFF" position. 1. Move to "ON" position.
. Loose connection. . Tighten.
3. Bad contacts. 3. Check for continuity and
replace.
4. Not within
specifications.
4. Refer to nameplate and
correct.
b) Ice Storage 1. No ice or little ice in
storage bin.
1. Make ice.
. Ice bridge or ice block
formed.
. Melt ice, resupply with
new ice.
3. Agitating motor
defective.
3. Check, replace.
c) Ice Dispense Switch 1. Opti Serve sensor
defective. (OS only)
1. See "5. Opti Serve (OS)
Sensors."
. Bad contacts. (push
button only)
. Check for continuity and
replace.
d) Shutter Assembly 1. Broken part. 1. Check and replace.
. Open windings on
solenoid.
. Check continuity and
replace.
e) Dispense Gear Motor 1. Thermal protector is
tripped.
1. Allow to cool.
. Gear motor winding
open.
. Replace.
3. Bearing worn out. 3. Replace.
4. Wiring to gear motor. 4. Check for loose
connection or open
circuit, and replace wiring
as needed.
5. Defective capacitor. 5. Replace.
f) Auger Mechanism 1. Bad alignment of
auger.
1. Realign.
g) Control Board 1. Defective. 1. See "II.D.4. Control
Board Check Procedure."
[] Abnormal noise. a) Gear Motor or Gear
Head
1. Bearing worn out. 1. Replace.
b) Auger Mechanism 1. Bad alignment of
auger.
1. Realign.
. Foreign matter
interrupting agitator.
. Remove foreign matter.
c) Dispense Water
Solenoid
1. Vibration due to
loosening screws.
1. Apply thread sealant to
the parts and tighten.