Error No.
Error Type Error Point Main Reasons
09
Indoor unit EEPROM error
Error occur in 
EEPROM
of the Indoor PCB
 
1. Error developed in communication 
between the micro- processor and the 
EEPROM on the surface of the PCB.
2. ERROR due to the EEPROM damage
■ Error diagnosis and countermeasure flow chart
-  Replace the indoor unit PCB, and then make sure to perform Auto addressing and input the address of 
central control