User`s manual

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RUN light ON
• Compressor locking, open phase on compressor output,
shortcircuit on power transistor, closed service valve
• Broken power transistor, broken compressor wire
• Broken discharge pipe sensor wire, poor connector connection
• Compressor blockage
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 heat exchanger fluid pipe
sensor error
Outdoor temperature sensor error • Broken outdoor sensor wire, poor connector connection
Description of trouble
Room temperature sensor error
Cause
• Broken heat exchanger sensor (1) wire, poor connector
connection
• Disconnected sensor
Indoor fan motor error
Heat exchanger sensor (1) error
2 time flash
5 time flash
TIMER light ON
1 time flash
RUN light
2 time flash
1 time flash
TIMER light
RUN light keeps flashing
• Broken room temperature sensor wire, poor connector connection
• Defective fan motor, poor connector connection
• Broken heat exchanger fluid pipe sensor wire, poor connector
connection
Trouble of outdoor unit
Over current
Current cut
2 time flash
3 time flash
1 time flash
Over heat of power transistor
Over heat of compressor
4 time flash
5 time flash
• Overload operation, overcharge
• Cooling problem
• Gas shortage, defective discharge pipe sensor, closed service
valve
6 time flash Error of signal transmission
• Defective power supply, Broken signal wire, defective in/outdoor
unit boards
Discharge pipe sensor error • Broken discharge pipe sensor wire, poor connector connection
Suction pipe sensor error • Brokensuctionpipesensorwire,poorconnectorconnection
• Brokenpowertransistorsensorwire,poorconnectorconnectionPower transistor sensor error
4 time flash
5 time flash
6 time flash
6 time flash
7 time flash
Heat exchanger sensor (2) error
• Broken heat exchanger sensor (2) wire, poor connector
connection
• Disconnected sensor
Closed service valve
Heat exchanger sensor (1) error
• Closed service valve
• Disconnected sensor
4 time flash
Drain error
• Drain at reverse gradient
• Float switch defective
2 time flash
RUN light 2 time flash
Rotor lock
• Defective compressor
• Open phase on compressor
• Defective outdoor unit boards
Outdoor fan motor error
7 time flash
• Defective fan motor, poor connector connection
RJD012A110_Eng 10/27/05, 1:15 PM20
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