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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 wire, poor connector
connection
Indoor fan motor error
Heat exchanger sensor error
2 time flash
6 time flash
TIMER light ON
1 time flash
RUN light
2 time flash
1 time flash
TIMER light
RUN light keeps flashing
Over heat of compressor
Error of signal transmission
5 time flash
6 time flash
RUN light ON
• Broken room temperature sensor wire, poor connector connection
• Defective fan motor, poor connector connection
• Broken heat exchanger fluid pipe sensor wire, poor connector
connection
• Gas shortage, defective discharge pipe sensor, closed control
valve
• Defective power supply, Broken signal wire, defective in/outdoor
unit boards
4 time flash Discharge pipe sensor error • Broken discharge pipe sensor wire, poor connector connection.
RKT012A754_En.p65 05.9.14, 1:43 PM20
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