Haier AS12TA2HRA-TH2 Service Manual

Functions and control19 Domestic air conditioner7.1.12 High load protection controlThe outdoor system will be stopped if the coil temperature is above 65 for 2 minutes. The indoorfan will be controlled by the thermostat. The outdoor system can be restarted when the coiltemperature is below 42 and the system has been stopped for 3 minutes. The malfunction will bestored in the malfunction resume and will not be revealed.7.1.13 Abnormal operation of indoor systemWhen 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 beclosed.Outdoor system mode Indoor system mode conflictscooling heating yescooling cooling nocooling airflow noheating heating noheating airflow yesheating cooling yes7.1.14 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 signals for stop. According to the signals, the malfunctionresume presentation finishes.The resume restores after the power supply restores.7.1.15 Abnormality confirmation approaches1. indoor temperature sensor abnormality:Under the operation, the normal temperature ranges from 120 degree to -30 degree. When thetemperature goes beyond this range, the abnormality can be confirmed. If the temperature goes backinto 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 thetemperature goes beyond this range, the abnormality can be confirmed. If the temperature goes backinto the range, the system will automatically resume.3 .indoor malfunction:Out door malfunction: When the indoor system receives the outdoor malfunction codes, it will storethe code into E2 for the malfunction list resume. The indoor system will continue to operate accordingto the original status, the malfunction code will not be revealed or processed.4. transmission abnormality:If the indoor system cant receive the outdoor system for 8 minutes, the communication abnormality