Haier HSU109VHG-G - Default Chapter; Table of Contents

Table of Contents
Domestic Air Conditioner
1.Introduction-------------------------------------------------------------------------------------------------------------------1
2.List of fuctions---------------------------------------------------------------------------------------------------------------6
3.Specifications ----------------------------------------------------------------------------------------------------------------7
4.Printed Circuit Board Connector Wiring Diagram-----------------------------------------------------------------9
5.Funcitions and Control---------------------------------------------------------------------------------------------------14
5.1 Main functions and control specification of indoor unit -
------------------- -------------------------------------14
5.2
----- ------------------------------------------------------------------------------22
6. Service Diagnosis -----------------------------------------------------------------------------------------------------------41
6.1 Caution for Diagnosis-------------------------------------------------------------------------------------------------------41
6.2 Problem Symptoms and Measures-------------------------------------------------------------------------------------41
6.3 Error Codes and Description indoor display--------------------------------------------------------------------------42
6.3.1 Thermistor or Related Abnormality-----------------------------------------------------------------------------------43
6.3.2 EEPROM abnormal------------------------------------------------------------------------------------------------------44
6.3.3Indoor AC fan motor malfunction-----------------------------------------------------------------------------------------45
6.3.4 Outdoor DC fan motor fault---------------------------------------------------------------------------------------------46
6.3.5 IPM protection--------------------------------------------------------------------------------------------------------------47
6.3.6 Over-current of the compressor----------------------------------------------------------------------------------------48
6.3.7 The communication fault between IPM and outdoor PCB ------------------------------------------------------49
6.3.8 Power Supply Over or under voltage fault---------------------------------------------------------------------------50
6.3.9 Overheat Protection For Discharge Temperature------------------------------------------------------------------51
6.3.10 The communication fault between indoor and outdoor------------------------------------------------------------52
6.3.11 Loss of synchronism detection----------------------------------------------------------------------------------------54
6.3.12 High work-intense protection------------------------------------------------------------------------------------------55
7.exponent--------------------------------------------------------------------------------------------------------------------------56
9.Removal Procedure--------------------------------------------------------------------------------------------
-------------- 71
10.Wiring Diagrams----------------------------------------------------------------------------------------------------
---------- 92
Contents
The control system of outdoor unit
8. ------------------- --------------------------------------------- -------------- 63
Installation manual of room Air conditioner
5.3 ----- ------------------------------------------------------------------------------22
Value of termistor
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