Haier HSU109VHG-G Service Manual

Also see for AS09TA2HRA: Operation manual Operation manual Service manual

Contents

Haier HSU109VHG-G Service Manual Manual pdf 2 page image

Table of ContentsDomestic Air Conditioner1.Introduction-------------------------------------------------------------------------------------------------------------------12.List of fuctions---------------------------------------------------------------------------------------------------------------63.Specifications ----------------------------------------------------------------------------------------------------------------74.Printed Circuit Board Connector Wiring Diagram-----------------------------------------------------------------95.Funcitions and Control---------------------------------------------------------------------------------------------------145.1 Main functions and control specification of indoor unit -------------------- -------------------------------------145.2 ----- ------------------------------------------------------------------------------226. Service Diagnosis -----------------------------------------------------------------------------------------------------------416.1 Caution for Diagnosis-------------------------------------------------------------------------------------------------------416.2 Problem Symptoms and Measures-------------------------------------------------------------------------------------416.3 Error Codes and Description indoor display--------------------------------------------------------------------------426.3.1 Thermistor or Related Abnormality-----------------------------------------------------------------------------------436.3.2 EEPROM abnormal------------------------------------------------------------------------------------------------------446.3.3Indoor AC fan motor malfunction-----------------------------------------------------------------------------------------456.3.4 Outdoor DC fan motor fault---------------------------------------------------------------------------------------------466.3.5 IPM protection--------------------------------------------------------------------------------------------------------------476.3.6 Over-current of the compressor----------------------------------------------------------------------------------------486.3.7 The communication fault between IPM and outdoor PCB ------------------------------------------------------496.3.8 Power Supply Over or under voltage fault---------------------------------------------------------------------------506.3.9 Overheat Protection For Discharge Temperature------------------------------------------------------------------516.3.10 The communication fault between indoor and outdoor------------------------------------------------------------526.3.11 Loss of synchronism detection----------------------------------------------------------------------------------------546.3.12 High work-intense protection------------------------------------------------------------------------------------------557.exponent--------------------------------------------------------------------------------------------------------------------------569.Removal Procedure----------------------------------------------------------------------------------------------------------7110.Wiring Diagrams-------------------------------------------------------------------------------------------------------------- 92ContentsThe control system of outdoor unit8. ------------------- ----------------------------------------------------------- 63Installation manual of room Air conditioner5.3 ----- ------------------------------------------------------------------------------22Value of termistor -------------------