Indoor
Outdoor Unit | Communication between indoor and outdoor unit fail
Solution: TS02-M & TS17
Indoor Unit
Evap coil temp T2B fail. Interchangeable with EC 56
Solution: TS05-IDU
Wired remote controller
Communication between wired remote controller and indoor unit fail may Look Like EH b3
Indoor Unit
Evap coil temp T2 fail
Solution: TS05-IDU & TS22
Indoor Unit
Indoor room temp T1 fail
Solution: TS05-IDU & TS22
Indoor Unit
Condensate water level alarm
Solution: TS15 & TS24
Indoor Unit
Indoor fan speed is operating out of range
Solution: TS04-L-IDU & TS19
Indoor Unit
EEPROM parameter fail
Solution: TS01-IDU & TS16
Outdoor Unit
High Pressure Sensor is Open Circuit or Short Circuited
Outdoor Unit
Lack Phase failure of outdoor DC Fan Motor