+68C  6HUYLFH 'LDJQRVLV
'RPHVWLF$LU&RQGLWLRQHU
(UURU&RGHVDQG'HVFULSWLRQ
7-1.Problem Symptoms and Measures
Code indication
Power    timer
operate
Description
ƾƵƵ
Room temperature sensor failure 
ƾƶƶ
Heat-exchange sensor failure 
ƾƶ ƾ
Indoor EEPROM error
Indoor Malfunction
ƾƵ ƾ
ƾƵ ƾ
ƾƾ
ƾ
repeate the cycle.
Indoor fan motor malfunction 
explaination
ƶonƾflashƵoff
7.2 Trouble Shooting
 Indoor Malfunction 
Thermistor or Related Abnormality (indoor unit) 
ƾƵƵ ƾƶƶ
the temperatures detected by the thermistors are used to determine
W
hermistor errors
0DOIXQFWLRQ
'HWHFWLRQ
0DOIXQFWLRQ
when the thermistor input is more than 4.92V or less than 0.08V during compressor
operation.
&RQGLWLRQV
1RWH
The values vary slightly in some models
Faulty connector connection
Faulty thermistor
Faulty PCB
Troubleshooting
Be sure to turn off power switch before connect or disconnect connector, or
parts damage may be occurred.
ƾƵƵ: Room temperature sensor failure     CN6 
ƾƶƶ: Heat-exchange sensor failure        CN6