Mitsubishi DXK15Z5-S Air Conditioner User Manual


 
–22–
Self diagnosis function
We are constantly trying to do better service to our customers by installing such judges that show abnormality of each function as follows:
Outdoor temperature sensor error Broken outdoor sensor wire, poor connector connection
Description of trouble
Room temperature sensor error
Cause
Broken heat exchanger sensor wire, poor connector
connection
Active filter voltage error
Heat exchanger sensor error
Broken room temperature sensor wire, poor connector
connection
Defective power supply
Broken heat exchanger fluid pipe sensor wire, poor
connector
connection
Discharge pipe sensor error
Broken discharge pipe sensor wire, poor connector
connection.
Rotor lock
Defective compressor
Open phase on compressor
Defective outdoor unit boards
Gas shortage, defective discharge pipe sensor, closed service
valve
Broken power transistor, broken compressor wire
Broken discharge pipe sensor wire, poor connector connection
Compressor blockage
Compressor locking, open phase on compressor output,
shortcircuit on power transistor, closed service valve
Defective power supply, Broken signal wire, defective in/outdoor
unit boards
Power transistor error
Broken power transistor
Current cut
Trouble of outdoor unit
Over current
Overload operation, overcharge
Over heat of compressor
Error of signal transmission
Outdoor fan motor error Defective fan motor, poor connector connection
TIMER light ON
RUN light keeps flashing
RUN light 2 time flash
RUN light ON
2-time flash
5-time flash
1-time flash
RUN light
2-time flash
1-time flash
TIMER light
4-time flash
2-time flash
4-time flash
1-time flash
2-time flash
3-time flash
5-time flash
6-time flash
Defective fan motor, poor connector connection
Indoor fan motor error
6-time flash
7-time flash
Cooling high pressure protection Gas over charge, short circuit of outdoor unit
Keep flashing
Outdoor heat exchanger fluid
pipe sensor error
RLC012A002A_EN_001-022 4/8/14, 11:0122