Haier HSU-22HD03 User Manual - Page 27

Domestic Air Conditioner Model: HSU-22HD03/R2 For the abnormal phenomenon occurred, please conduct trouble analysis and troubleshooting according to the following table: No Reason of trouble Phenomena Remarks 1 The sensor of indoor ambient The compressor indictor temperature is in short circuit or and timing indicator broken circuit extinguish, and the running indicator flickers 2 The temperature sensor of The compressor indictor indoor coil pipe is in short and timing indicator are circuit or broken circuit on, and the running indicator flickers 3 Theindoormotoris damagedo,r the The power indicator and The motor has no signal computer board is damaged running indicator of indoor feedback of Hall unit unit flicker twice , the power indicator, running indicator and timing indicator flicker togetherfor 1 second,then repeating the cycle. 48