E) Other; Dispensing - Hoshizaki DKM-500BAH Service Manual

e) Other

Problem
[1] Icemaker will not stop
when bin is filled with
ice.
[2] Abnormal noise.
[3] Ice in storage bin
often melts.

2. Dispensing

Problem
[1] No ice dispensed.
Possible Cause
a) Bin Control
b) Control Board
a) Pump Motor
b) Fan Motor
c) Compressor
d) Refrigerant Lines
a) Drain Line(s)
b) Icemaker and Bin
c) Ice Cube Guide
Possible Cause
a) Power Supply
b) Fuse (Inside Fused
Disconnect, if any)
c) Dispense Switch
d) Gear Motor
See "II.C.4. Bin Control Troubleshooting."
1. Defective.
1. Bearings worn out.
1. Bearings worn out.
2. Fan blade deformed.
3. Fan blade does not
move freely.
1. Bearings worn out or
cylinder valve broken.
2. Mounting pad out of
position.
1. Rub or touch other
lines or surfaces.
1. Plugged.
1. Drains not run
separately.
1. Out of position.
Circulated water falls
into bin.
1. OFF position.
2. Loose connection.
3. Bad contacts.
4. Voltage too high.
1. Blown.
1. Connector from front
panel not connected
to control box.
2. Bad contacts.
3. Loose connection.
1. Thermal protector is
tripped.
2. Gear motor winding
opened.
3. Bearing worn out.
30
Remedy
1. See "II.C.5. Control Board
Check Procedure."
1. Replace
1. Replace
2. Replace fan blade.
3. Replace.
1. Replace.
2. Reinstall.
1. Replace.
1. Clean.
1. Separate the drain lines.
1. Place in position.
Remedy
1. Move to ON position.
2. Tighten.
3. Check for continuity and
replace.
4. Check and get
recommended voltage.
1. Check for short circuit
and replace.
1. Connect.
2. Check for continuity and
replace.
3. Tighten.
1. Allow to cool.
2. Replace.
3. Replace.