Haier HSU12XCK

HSU09/12XCK-SM Codes and Description
DomesticAirConditioner
30
7.2 Error Codes and Description indoor display
Code indication
indoor
Description
Reference
Page
E1 Room temperature sensor failure 30
30eruliafrosnesegnahcxe-taeH2E
31rorreMORPEEroodnI4E
Indoor Malfunction
31noitcnuflamrotomnafroodnI41E
The code indication that is listed above is the main fault
Troubleshooting
Caution
Be sure to turn off power switch before connect or disconnect connector, or else parts damage may be
occurred.
E1: Room temperature sensor failure CN6
E2: Heat-exchange sensor failure CN6
NO
Pull the sensor out of the mainboard
1) Measure the value of resistance Between its two
jumpers
2) Measure the temperature at the room temperature
sensing head.
Check the value of the
sensor to see whether the
sensor is dama
g
ed or not?
YES
Sensor is broken,replace it with new sensor
The indoor PCB is broken, replace with new indoor PCB