Hoshizaki DB-130H - Manual (Page 7)

7
IV. Service Diagnosis
Problem Possible Cause Remedy
[1] No ice dispensed. a) Power Supply 1. "OFF" position. 1. Move to "ON" position.
2. Loose connection. 2. Tighten.
3. Bad contacts. 3. Check for continuity and
replace.
4. Voltage too high. 4. Check and get
recommended voltage.
b) Fuse (Inside Fused
Disconnect, if any)
1. Blown. 1. Check for short circuit and
replace.
c) Spout Switch 1. Bad contacts. 1. Check for continuity and
replace.
2. Loose connection. 2. Tighten.
d) Door Switch 1. Front panel is not in
position.
1. Place in position.
2. Actuating plate does not
push door switch.
2. Check for continuity and
adjust.
3. Bad contacts. 3. Check for continuity and
replace.
4. Loose connection. 4. Tighten.
e) Safety Switch 1. Spout is not in position. 1. Check for continuity and
place in position.
2. Bad contacts. 2. Check for continuity and
replace.
3. Loose connection. 3. Tighten.
f) 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.
5. Defective capacitor. 5. Replace.
6. Agitator rotates in
reverse direction.
6. Check leads and reverse the
connections.
g) Solenoid 1. Solenoid winding open. 1. Replace
2. Wiring to solenoid. 2. Check for loose connection
or open circuit, and replace
wiring as needed.
3. Overload due to
loosening screws.
3. After tightening, apply
thread sealant to the parts.