MovinCool Classic 40 Service Manual - Manual (Page 48)

Repair Section
48
Condition
Possible Cause
Remedy
Checking Area Cause
Stops
immediately
after
starting
Control
panel
display
normally.
1. Fan on-off relay on the relay
board.
Open circuit or insufficient
contact.
Replace relay board.
2. Compressor motor relay. Open circuit or insufficient
contact.
Replace compressor
motor relay.
3. Compressor relay on the
relay board.
Open circuit or insufficient
contact.
Replace relay board.
4. Reverse phase protector. Open circuit or insufficient
contact.
Replace reverse phase
protector.
Stops after
running a
while
Control
panel
display
normally.
1. Resistance of compressor. Operation of safety device
(IOLC) due to compressor
malfunction.
See “Inspection of
Compressor Motor” on
page 52.
2. Refrigerant leakage. Insufficient refrigerant or gas
leakage.
Repair and charge
refrigerant.
3. Dirt on evaporator or
condenser.
Insufficient cooling of
evaporator or condenser.
Clean evaporator or
condenser.
4. Duct connection condition. Leak or clogged by improper
duct connection.
Repair duct connection.
5. Duct length and diameter Too long or too small
diameter of duct.
Fix duct.