10.
Troubleshooting
10.1 Indoor unit malfunction
10.1.1 Display board
Duct
Timer indicator
Operation lamp
Temporary button
30
PRE-DEF indicator(cooling and heating type)
or fan only indicator(cooling only type)
OPERATION TIMER DEF./FAN ALARM
MANUAL
Alarm indicator
Infrared signal receiver
Display digital tube
Troubleshooting