User`s manual

20
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