Haier HSU09VHG(DB)-W User Manual

ERROR CODES & PROBLEM SOLVING
PAGE 45
ENGLISH
Error Codes & Problem Solving
Table of Contents
Error Codes and Description Indoor Display ..................................................................................................................... 46
Indoor Unit Display ........................................................................................................................................................................ 46
Indoor AC Fan Motor Malfunction ..................................................................................................................................... 47
Indoor Unit Display ........................................................................................................................................................................ 47
  ............................................................................................................................................................................ 
Outdoor DC Fan Motor Fault ............................................................................................................................................. 48
 OutdoorUnitDisplay .................................................................................................................................................................... 48
  .............................................................................................................................................. 
IPM Protection ................................................................................................................................................................. 49
 OutdoorUnitDisplay .................................................................................................................................................................... 49
  .............................................................................................................................................. 
Over-current of the Compressor ...................................................................................................................................... 49
 OutdoorUnitDisplay .................................................................................................................................................................... 49
  ........................................................................................................................... 
TheCommunicationFaultBetweenIPMandOutdoorPCB ................................................................................................ 50
 OutdoorUnitDisplay .................................................................................................................................................................... 50
  .................................................................................................................................................. 
PowerSupplyTooHighorTooLow ................................................................................................................................... 51
 OutdoorUnitDisplay .................................................................................................................................................................... 51
  .............................................................................................................................................. 
Overheat Protection for Discharge Temperature .............................................................................................................. 52
 OutdoorUnitDisplay .................................................................................................................................................................... 52
  .............................................................................................................................................. 
CommunicationFaultBetweenIndoorandOutdoorUnits ................................................................................................ 52
Indoor Unit Display ........................................................................................................................................................................ 52
  .............................................................................................................................................................................. 
 OutdoorUnitDisplay .................................................................................................................................................................... 52
  ............................................................................................................................................ 
Loss of Synchronism Detection ........................................................................................................................................ 53
 OutdoorUnitDisplay .................................................................................................................................................................... 53
  .................................................................................................................................. 
Indoor Unit Overload in Heating Mode .............................................................................................................................. 53
 OutdoorUnitDisplay .................................................................................................................................................................... 53
  .................................................................................................................................. 
CheckingSystemComponents ........................................................................................................................................ 54
CheckingOutdoorUnitComponents ............................................................................................................................... 54
 CheckingtheOutdoorUnitSensors ............................................................................................................................................ 54
 CheckingtheReversingValveCoil ............................................................................................................................................... 54
 CheckingtheDCFanMotor .......................................................................................................................................................... 54
 CheckingtheEEVStepperMotor ................................................................................................................................................. 54
 CheckingthePFCReactor ............................................................................................................................................................ 54
 CheckingtheCompressorWindings ............................................................................................................................................ 55
CheckingIndoorUnitComponents ................................................................................................................................... 55
 CheckingtheIndoorUnitSensors ................................................................................................................................................ 55
 CheckingtheUp/DownStepperMotor ....................................................................................................................................... 55
 CheckingtheLeftStepperMotor ................................................................................................................................................. 55
 CheckingtheIndoorDCFanMotor .............................................................................................................................................. 56

Haier HSU09VHG(DB)-W Specifications

General

Brand	Haier
Model	HSU09VHG(DB)-W
Category	Air Conditioner
Language	English