Hoshizaki KM-201BAH Service Manual page 45

PROBLEM
[1] (Continued) l) Control Board
[2] Water a) Float Switch
continues to
be supplied,
and the
icemaker will
not start.
b) Control Board
[3] Compressor a) Control Switch
will not start or
operates
b) High Pressure
intermittently.
c) Overload
d) Starter
e) Start Capacitor
f) Power Relay
g) Compressor
h) Control Board
i) Condenser, Air
j) Water regulator
POSSIBLE CAUSE
1. Defective.
1. Connector
2. Leads opened or
3. Float does not move
1. Defective.
1. WASH position.
2. Bad contacts.
1. Dirty air filter or
Control
2. Ambient temperature
3. Refrigerant
4. Fan not operating.
5. Condenser water
6. Refrigerant line or
1. Bad contacts.
Protector
2. Voltage too low.
3. Refrigerant overcharged
1. Bad contacts.
2. Coil winding opened.
1. Defective.
1. Bad contacts.
2. Coil winding opened.
1. Wiring to compressor.
2. Defective.
3. Protector tripped.
1. Defective.
1. Clogged with dirt and
Filter
1. Set too high.
(water-cooled
2. Clogged or defective.
model)
disconnected.
defective switch.
freely.
condenser.
too warm.
overcharged.
temperature too warm
(water-cooled model).
components plugged.
or undercharged.
dust.
40
REMEDY
1. See "II. 3. [d] CONTROL
BOARD CHECK
PROCEDURE".
1. Reconnect.
2. Check and replace.
3. Clean or replace.
1. Replace.
1. Move to ICE position.
2. Check and replace.
1. Clean.
2. Reduce ambient
temperature.
3. Recharge.
4. See chart 2 - [6].
5. Check and get
recommended
temperature.
6. Clean and replace drier.
1. Check for continuity and
replace.
2. Increase voltage.
3. Recharge.
1. Check and replace.
2. Replace.
1. Replace.
1. Check for continuity and
replace.
2. Replace.
1. Check for loose
connection or open, and
replace.
2. Replace.
3. Reduce temperature and
verify cause.
1. See "II. 3. [d] CONTROL
BOARD CHECK
PROCEDURE".
1. Clean and unclog.
1. Adjust lower.
2. Clean or replace.