Haier AS09/12GS2ERA Service Manual page 23

5.1.13 Abnormal operation of indoor system
When the outdoor system operates, if the indoor system operation differs from the outdoor system,
the abnormal operation malfunction will be reported. 10s after the report, the indoor system will be
closed.
Outdoor system mode
5.1.14 Malfunction list resume.
Nothing is presented if there is no code list.
The malfunction display will automatically finish in 10 seconds.
The remote control only receives the sigals for stop. According to the signals, the malfunction resume
presentation finishes.
The resume restores after the power supply restores.
5.1.15 Abnormality confirmation approaches.
1.indoor temperature sensor abnormality:
under the operation, the normal temperature ranges from 120 degree to -30 degree. When the
temperature goes beyond this range, the abnormality can be confirmed. If the temperature goes back
into the range, the system will automatically resume.
2.indoor heat interaction sensor abnormality:
under the operation, the normal temperature ranges from 120 degree to -30 degree. When the
temperature goes beyond this range, the abnormality can be confirmed. If the temperature goes back
into the range, the system will automatically resume.
3.indoor malfunction:
Out door malfunction: When the indoor system receives the outdoor malfunction codes, it will store
the code into E2 for the malfunction list resume. The indoor system will continue to operate according
to the original status, the malfunction code will not be revealed or processed.
4.transmission abnormality:
If the indoor system can't receive the outdoor system for 8 minutes, the communication abnormality
can be confirmed and reported and the outdoor system will be stopped.
5.1.16 Single indoor system operation
* Enter condition: First, Heating operation mode, set the high speed airflow and 30 centigrade set
temperature, then press the dormant keys for 6 times within 7 seconds, the system will feedback with
6 rings.
AS09/12GS2ERA 1U09/12BS1ERA-SM
cooling
cooling
cooling
heating
heating
heating
Indoor system mode
heating
cooling
airflow
heating
airflow
cooling
20
Function and control
conflicts
yes
no
no
no
yes
yes
Domestic Air Conditioner