7-2. Error Code Table
1
、When the indoor ambient temperature sensor fails, the air conditioner will shut down for protection,
and "E1" will be displayed on LED nixie tube;
2、When the indoor tube temperature sensor fails, the air conditioner will shut down for protection, and
"E2" will be displayed on LED nixie tube;
3、When the outside tube temperature sensor fails (heat pump type), the air conditioner will shut down
for protection, and "E3" will be displayed on LED nixie tube.
4、When the high water level switch is closed, the air conditioner will shut down for protection, and "E5"
will be displayed on LED nixie tube.
5、When the upper electric motor has no feedback, the air conditioner will shut down for protection, and
"E6" will be displayed on LED nixie tube.
6、When the lower electric motor has no feedback, the air conditioner will shut down for protection, and
"E7" will be displayed on LED nixie tube.
7、When the communication system fails, "EA" will be displayed on LED nixie tube.
8、When multiple failures occur simultaneously, the corresponding error codes will be displayed in a
cyclic manner.