1422453 User Manual

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TROUBLESHOOTING & REFERENCES

J-1

ENGLISH

TROUBLESHOOTING & REFERENCES

Table of Contents

Special Functions ...................................................................................................................................................................J-3

Auto Restart .......................................................................................................................................................................... J-3

Forced Defrost ...................................................................................................................................................................... J-3

Indoor Temperature Display (Highwall Only) ....................................................................................................................... J-3

Enhanced Defrost ................................................................................................................................................................. J-3

Temperature Compensation ................................................................................................................................................ J-4

Matching Tables .....................................................................................................................................................................J-6

Resistance Chart / Sensor Denitions .................................................................................................................................... J-7

Resistance Values ..................................................................................................................................................................J-8

Louver Motors .......................................................................................................................................................................J-8

EEV ........................................................................................................................................................................................J-8

Component Ratings ...............................................................................................................................................................J-9

4-Way Valve ..........................................................................................................................................................................J-9

Basepan Heater ....................................................................................................................................................................J-9

Fan Motors ............................................................................................................................................................................J-9

Refrigeration Diagrams .......................................................................................................................................................J-10

Master Error Code Chart ......................................................................................................................................................J-12

Outdoor Unit Error Codes ....................................................................................................................................................J-16

Temperature Sensor Error Codes ......................................................................................................................................J-16

Pressure-Related Error Codes ...........................................................................................................................................J-17

Communication Error Code ...............................................................................................................................................J-17

Error Codes Caused by Abnormal Refrigerant Circuit Conditions ...................................................................................J-18

Outdoor Error Code Related to Indoor Unit ......................................................................................................................J-18

Error Code Related to the PCB ...........................................................................................................................................J-18

Error Codes Related to the IPM ..........................................................................................................................................J-18

Error Codes Related to Compressor, Outdoor Fan & 4-Way Valve ..................................................................................J-19

Flow Charts .......................................................................................................................................................................... J-20

[1] Outdoor EEPROM Malfunction .....................................................................................................................................J-20

[2] Outdoor IPM over current or short circuit ...................................................................................................................J-20

[4] Communication abnormal between PCB and IPM .......................................................................................................J-21

[6] DC voltage or AC voltage high......................................................................................................................................J-21

[8] Discharge temperature too high protection ................................................................................................................J-22

[9] DC fan motor fault .........................................................................................................................................................J-22

[10] Outdoor defrosting temp. sensor Te abnormal ........................................................................................................J-23

[11] Suction temp.sensor Ts abnormal..............................................................................................................................J-23

[12] Outdoor ambient temp. sensor Ta abnormal ............................................................................................................J-23

[13] Discharging temp. sensor Td abnormal .....................................................................................................................J-23

[15] Communication abnormal between indoor unit and outdoor unit ...........................................................................J-23

[16] Lack of refrigerant or discharging pipe blocked ........................................................................................................J-24

[17] 4-way valve reversing failure ......................................................................................................................................J-24

[18] Compressor motor desynchronizing .........................................................................................................................J-25

[24] Compressor startup failure ........................................................................................................................................J-25

[25] Input overcurrent of the drive module .......................................................................................................................J-25

[42] Open high pressure switch .........................................................................................................................................J-26

[43] Open low pressure switch ........................................................................................................................................... J-26

[44] High pressure detected in system .............................................................................................................................J-27

[45] Low pressure detected in system ..............................................................................................................................J-27

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Haier 1422453 FlexFit Series Triple Zone Mini Split System with 34000 BTU Cooling Capacity, 34600 BTU Heating Capacity, 4U36MS2VHB Outdoor Unit and 3x AW12LC2VHB Wall Mount Indoor Unit in White

User Manual - Page 113