Heat Controller DMH18SB-1 - Display Function Details; Self-diagnosis Functionality

38 Room Air Conditioner
Self-diagnosis Function
Display Function
1. Heating Model 2. Cooling Model
• Cooling, Soft Dry, Fan, Heating • Cooling, Soft Dry, Fan
• Hot-start, Deice
Operation Indicator
Deicer Indicator
Operation Indicator
Compressor on Indicator
3sec 3sec 3sec
(once)
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
Operation