Dispensing - Hoshizaki DCM-500BAH Service Manual

4. Dispensing

Problem
[1] No ice dispensed.
[] Abnormal noise.
Possible Cause
a) Power Supply
b) Ice Storage
c) Ice Dispense Switch
d) Shutter Assembly
e) Dispense Gear Motor
f) Auger Mechanism
g) Control Board
a) Gear Motor or Gear
Head
b) Auger Mechanism
c) Dispense Water
Solenoid
1. "OFF" position.
. Loose connection.
3. Bad contacts.
4. Not within
specifications.
1. No ice or little ice in
storage bin.
. Ice bridge or ice block
formed.
3. Agitating motor
defective.
1. Opti Serve sensor
defective. (OS only)
. Bad contacts. (push
button only)
1. Broken part.
. Open windings on
solenoid.
1. Thermal protector is
tripped.
. Gear motor winding
open.
3. Bearing worn out.
4. Wiring to gear motor.
5. Defective capacitor.
1. Bad alignment of
auger.
1. Defective.
1. Bearing worn out.
1. Bad alignment of
auger.
. Foreign matter
interrupting agitator.
1. Vibration due to
loosening screws.
43
Remedy
1. Move to "ON" position.
. Tighten.
3. Check for continuity and
replace.
4. Refer to nameplate and
correct.
1. Make ice.
. Melt ice, resupply with
new ice.
3. Check, replace.
1. See "5. Opti Serve (OS)
Sensors."
. Check for continuity and
replace.
1. Check and replace.
. Check continuity and
replace.
1. Allow to cool.
. Replace.
3. Replace.
4. Check for loose
connection or open
circuit, and replace wiring
as needed.
5. Replace.
1. Realign.
1. See "II.D.4. Control
Board Check Procedure."
1. Replace.
1. Realign.
. Remove foreign matter.
1. Apply thread sealant to
the parts and tighten.