30 Room Air Conditioner
Self-diagnosis Function
Operation 
Display Function 
1. Heating Model 2. Cooling Model
•  Cooling, Soft Dry, Fan, Heating •  Cooling, Soft Dry, Fan
•  Timer Mode  •  Timer Mode 
• Hot-start, Deice
Operation Indicator
Timer Indicator 
Indoor Unit on Indicator Indoor Unit on Indicator
Deicer Indicator
Operation Indicator
Timer Indicator 
Compressor on Indicator
OUT
DOOR
IN
DOOR
IN
DOOR
Error
Code
1
Error Display LED
(Indoor body operation LED)
Error contents
• Indoor room temperature
thermistor open/short
• Indoor pipe temperature
thermistor open/short.
• Indoor Thermistor 
assembly check
SVC check point