Hoshizaki DM-200B Manuel D’Utilisation
7
IV. Service Diagnosis
Problem
Possible Cause
Remedy
[1] No ice dispensed.
a) Power Supply
1. Off at breaker or cord
unplugged.
1. Turn on or plug in cord.
2. Loose connection.
2. Tighten.
3. Bad contacts.
3. Check for continuity and
replace.
b) Dispense Switch
1. Bad contacts.
1. Check for continuity and
replace.
2. Loose connection.
2. Tighten.
c) Gear Motor
1. Thermal protector is
tripped.
1. Allow to cool.
2. Gear motor winding
opened.
2. 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.
circuit, and replace wiring
as needed.
5. Defective capacitor.
5. Replace.
6. Agitator rotates in
reverse direction.
6. Check leads and reverse
the connections.
d) Solenoid
1. Solenoid winding
open.
1. Replace.
2. Wiring to solenoid.
2. Check for loose
connection or open
circuit, and replace wiring
as needed.
circuit, and replace wiring
as needed.
3. Overload due to
loosening screws.
3. After tightening, apply
thread sealant to the
parts.
parts.
e) Mechanism
1. Chain out of position
or loose.
1. Place in position or
tighten.
2. Corrosion.
2. Apply oil.
3. Key of sprocket is not
in position.
3. Place in position.
4. Bad alignment of
sprocket.
4. Readjust.
5. Foreign matter
interrupting agitator.
5. Remove foreign matter.
f) Ice Storage
1. No ice or little ice in
storage bin.
1. Fill bin with ice.
2. Ice bridge or block
formed.
2. Break with a poker.
[2] No water dispensed. a) Power Supply
1. Off at breaker or cord
unplugged.
1. Turn on or plug in cord.
2. Loose connection.
2. Tighten.