Haier Air Conditioner Fault Codes



Model HDU-24CA03/M(R1) HDU-28CA03/M(R1) HDU-36CA03/M(R1) HDU-42CA03/M(R1)
Model HSU-09/12HVA103/R2(DB)FOR Eorope

NO. Error Code Fault Description Fault unit
1 E7 Communication fault Indoor unit
2 E1 Room temperature sensor fault Indoor unit
3 E2 Heat-exchange sensor fault Indoor unit
4 E4 Indoor EEPROM error Indoor unit
5 E14 Indoor fan motor malfunction Indoor unit
6 F12 Outdoor EEPROM fault Outdoor unit
7 F1 The protection error of IPM Outdoor unit
8 F22 Overcurrent  protection of  AC electricity  for  the outdoor model Outdoor unit
9 F3 Communication fault between the IPM and outdoor PCB Outdoor unit
10 F19 Power voltage too high or too low Outdoor unit
11 F4 Overheat protection error of exhaust temperature sensor Outdoor unit
12 F21 Defrost temperature sensor fault Outdoor unit
13 F7 Suction temperature sensor fault Outdoor unit
14 F6  Ambient temperature sensor failure Outdoor unit
15 F25 Discharge temperature sensor fault Outdoor unit
16 F11 deviate from the normal  for the compressor Outdoor unit
17 F28 Loop  of  the station detect error Outdoor unit
18 F2 Overcurrent of the compressor Outdoor unit
19 F23 Overcurrent protection for single-phase of the compressor Outdoor unit
20 E9 High work-intense protection Outdoor unit
21 F66 Ambient temperature sensor fault

 

Code = E0
Flash time of
compressor
running
indicate lamp = 10
Trouble contents (old) = drainage system trouble
Trouble contents (new) = drainage system trouble

Code = E1
Flash time of
compressor
running
indicate lamp = 1
Trouble contents (old) = indoor temperature sensor broken
Trouble contents (new) = indoor temperature sensor broken

Code = E2
Flash time of
compressor
running
indicate lamp = 2
Trouble contents (old) = indoor coil temperature sensor broken
Trouble contents (new) = indoor coil temperature sensor broken

Code = E3
Flash time of
compressor
running
indicate lamp = 3
Trouble contents (old) = outdoor temperature sensor broken
Trouble contents (new) = outdoor temperature sensor broken

Code = E4
Flash time of
compressor
running
indicate lamp = 4
Trouble contents (old) = outdoor coil temperature sensor broken
Trouble contents (new) = outdoor coil temperature sensor broken





Code = E5
Flash time of
compressor
running
indicate lamp = 5
Trouble contents (old) = over current protect limit
Trouble contents (new) = over current protect limit

Code = E6
Flash time of
compressor
running
indicate lamp = 6
Trouble contents (old) = pressure protect
Trouble contents (new) = pressure protect

Code = E7
Flash time of
compressor
running
indicate lamp = 7
Trouble contents (old) = communication trouble between wired remote controller and indoor unit.
Trouble contents (new) = three phase protect

Code = E8
Flash time of
compressor
running
indicate lamp = 8
Trouble contents (old) = communication trouble between indoor and outdoor unit.
Trouble contents (new) = Communication trouble between wired remote controller and indoor unit

Code = E9
Flash time of
compressor
running
indicate lamp = 9
Trouble contents (old) = three phase protect
Trouble contents (new) = communication trouble between indoor and outdoor unit

HSU-09/12HVA103/R2(DB)FOR Eorope

Error Codes and Description indoor and outdoor display(1)

Indoor and Outdoor = E7
Indoor Malfunction =
Code indication
Indoor =
Outdoor (LED1 flash times) = 15
Description = Communication fault between indoor and outdoor units

Indoor and Outdoor =
Indoor Malfunction = E1
Code indication
Indoor =
Outdoor (LED1 flash times) =
Description = Room temperature sensor failure

Indoor and Outdoor =
Indoor Malfunction = E2
Code indication
Indoor =
Outdoor (LED1 flash times) =
Description = Heat-exchange sensor failure

Indoor and Outdoor =
Indoor Malfunction = E4
Code indication
Indoor =
Outdoor (LED1 flash times) =
Description = Indoor EEPROM error

Indoor and Outdoor =
Indoor Malfunction = E14
Code indication
Indoor =
Outdoor (LED1 flash times) =
Description = Indoor fan motor malfunction

Indoor and Outdoor =
Indoor Malfunction = E9
Code indication
Indoor =
Outdoor (LED1 flash times) =
Description = High work-E9 intense protection

Error Codes and Description indoor and outdoor display(2)

Outdoor Malfunction
Code Indication
Indoor = F12
Outdoor (LED1 flash times) = 1
Description = Outdoor EEPROM error

Outdoor Malfunction
Code Indication
Indoor = F11
Outdoor (LED1 flash times) = 2
Description = The protection of IPM

Outdoor Malfunction
Code Indication
Indoor = F22
Outdoor (LED1 flash times) = 3
Description = Over current protection of AC electricity for the outdoor model

Outdoor Malfunction
Code Indication
Indoor = F11
Outdoor (LED1 flash times) = 4
Description = Communication fault between the IPM and outdoor PCB

Outdoor Malfunction
Code Indication
Indoor =
Outdoor (LED1 flash times) = 5
Description = Over pressure or Overheat protection for the compressor

Outdoor Malfunction
Code Indication
Indoor = F11
Outdoor (LED1 flash times) = 6
Description = Power voltage is too high or low

Outdoor Malfunction
Code Indication
Indoor = F4
Outdoor (LED1 flash times) = 8
Description = Overheat protection for exhaust temperature

Outdoor Malfunction
Code Indication
Indoor =
Outdoor (LED1 flash times) = 9
Description = outdoor fan motor malfunction

Outdoor Malfunction
Code Indication
Indoor = F21
Outdoor (LED1 flash times) = 10
Description = Frost-removing temperature sensor failure

Outdoor Malfunction
Code Indication
Indoor = F6
Outdoor (LED1 flash times) = 12
Description = Ambient temperature sensor failure

Outdoor Malfunction
Code Indication
Indoor = F25
Outdoor (LED1 flash times) = 13
Description = Exhaust temperature sensor failure

Outdoor Malfunction
Code Indication
Indoor =
Outdoor (LED1 flash times) = 18
Description = deviate from the normal for the compressor

Outdoor Malfunction
Code Indication
Indoor = F11
Outdoor (LED1 flash times) = 19
Description = Loop of the station detect error

Outdoor Malfunction
Code Indication
Indoor = – – –
Outdoor (LED1 flash times) = 24
Description = Over current of the compressor

Outdoor Malfunction
Code Indication
Indoor = – – –
Outdoor (LED1 flash times) = 25
Description = Over current protection for single-past of the compressor




13 Responses to Haier Air Conditioner Fault Codes

  1. david colaivalu says:

    Very useful….thank you

  2. mark currier says:

    my indoor unit is not working the fins open up then close back up and its blinking f 12 any ideas

  3. gayan says:

    Why outdoor led blink continuesly

  4. Gharsha says:

    F1 err code

  5. Vipin says:

    Sir what is the solution for E2 error and this error is there in my window ac

  6. Aslam says:

    Ya and well

  7. Ashim says:

    What is error code E2&E5. How fix this?

  8. Kim says:

    E4 what diesitmean

  9. Larry says:

    How do you fix an E1 code on window unit

  10. Amber says:

    What does code E3 mean. I got home from work and my breaker was blown. Turned it back on and my Ac won’t work . It flashes error code E3

  11. Louis Acevedo says:

    My Haier unit displays a “t7” error code not listed here. I reset the breaker switch, left unit off overnight, replugged it in while in off position waited a few hours and turned it back on to no avail. Any suggestions?

  12. Athol Sclanders says:

    New model 12000btu split unit showing E7. Error is communication error between indoor and outdoor units. What can I do to correct this?

  13. Chris says:

    Hi sir, my ducted AD96NAHAEA displays E9 and led are off on both boards. Please help

Leave a Reply

Your email address will not be published. Required fields are marked *