Haier AC422AFERA installation manual Error display For *EAA series

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28

 

For remote

 

Failure code

 

For central

 

Failure description

 

Reason

 

Remarks

 

 

 

 

 

 

 

type, flash

 

on wired

 

control,

 

 

 

 

 

 

 

times

 

controller

 

failure code

 

 

 

 

 

 

1

 

01(01H)

 

01D

 

Indoor ambient temp. sensor failure

 

Sensor broken down or short circuit for more than 2m continuously

 

 

2

 

02(02H)

 

02D

 

Indoor coil temp. sensor failure

 

Sensor broken down or short circuit for more than 2m continuously

 

 

3

 

74(4AH)

 

11D

 

Outdoor ambient temp. sensor failure

 

Sensor broken down or short circuit for more than 2m continuously

 

 

4

 

73(49H)

 

12D

 

Outdoor coil temp. sensor failure/Compressor

 

Sensor broken down or short circuit for more than 2m continuously

 

 

 

 

 

 

 

 

 

discharging temp. sensor abnormal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

72(48H)

 

10D

 

Over-current protection / Power supply

 

CT check abnormal 3 times in 30m / Fault phase, short of phase,

 

 

 

 

 

 

 

 

 

abnormal

 

out of balance greatly

 

 

6

 

83(53H)

 

14D

 

High/Low pressure abnormal

 

High pressure switch acts 3 times in 30m/Low pressure switch acts

 

 

 

 

 

 

 

 

 

 

 

in normal running

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

 

07(07H)

 

06D

 

Communication between wired

 

Communication abnormal for more than 4m continuously

 

 

 

 

 

 

 

 

 

controller and indoor abnormal

 

 

 

 

9

 

06(06H)

 

05D

 

Communication between indoor and outdoor abnormal

 

Communication abnormal for more than 4m continuously

 

 

10

 

08(08H)

 

21D

 

Drainage system abnormal

 

Float switch broken down for more than 25m continuously

 

 

11

 

11(0BH)

 

30D

 

Outside alarm signal input

 

Outside signal broken down for more than 10s

 

 

12

 

03(03H)

 

20D

 

Gas pipe temp. sensor abnormal

 

Sensor broken down or short circuit for more than 2m continuously

 

 

13

 

13(0DH)

 

31D

 

Temperature protection malfunction

 

Solenoid valve act incorrectly 3 times continuously

 

 

15

 

05(05H)

 

17D

 

EEPROM abnormal

 

EEPROM data missing

 

 

17

 

80(50H)

 

15D

 

Compressor overheat

 

The discharging temperature is higher than 120degree

 

Resumable if

 

 

 

 

 

lower than

 

 

 

 

 

 

 

 

 

 

 

100 degree

 

 

 

 

 

 

 

 

 

 

 

18

 

12(0CH)

 

23D

 

Abnormal mode

 

Indoor operation mode is different with the running indoor unit.

 

 

19

 

75(4BH)

 

18D

 

Outdoor coil B(suction temp sensor-for MRV II)

 

Sensor broken down or short circuit for more than 2m continuously

 

 

20

 

77(4DH)

 

15D

 

Outdoor discharging B(oil temp sensor-for MRV II)

 

Sensor broken down or short circuit for more than 2m continuously

 

 

 

 

 

 

 

 

 

 

 

 

 

 

shows resumable fault, shows it is not resumable fault.

Error display ( For *EAA series )

Trouble Shooting

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Contents Operation & Installation Manual Contents Disposal of the old air conditioner Specifications Safety Precautions Safety Precautions Features and Functions Automatic OperationVertical AIR Direction Adjustment RIGHT/LEFT Name of Parts For series 282, 362, 422, 482, 522,602Cleaning and Care Operation Tips Operation and Performance Heating PerformanceInstallation of Indoor Unit LocationSelecting the Mounting Position Indoor Unit Connection Pipe Requirement Drilling the Holes and Attaching the Suapension Bolts For HALF-CONCESLED Installation Installing the Coupler Heat Insulation Good Badbad Installation of Indoor Unit Electrical Wiring Electrical Requirement FRESH-AIR Intake T N 1 2 Customer Guidance Trouble Shooting Followings are not problemsPoor cooling or heating For Error display For *EAA series Haier Group

AC422AFERA specifications

The Haier AC422AFERA is an innovative air conditioning unit designed to provide optimal comfort and energy efficiency for residential spaces. This model stands out due to its advanced features, smart technology, and user-friendly design, making it a popular choice among consumers seeking to enhance their indoor climate control.

One of the main features of the Haier AC422AFERA is its powerful cooling capability. It boasts a high cooling capacity that ensures effective temperature management even in the hottest summer months. The unit is equipped with a robust compressor that can quickly lower room temperatures while maintaining energy efficiency, making it ideal for large living areas or open-plan spaces.

In terms of technologies, the AC422AFERA utilizes inverter technology, allowing the compressor to adjust its speed efficiently. This results in quieter operation and reduced energy consumption, ultimately leading to cost savings on electricity bills. The inverter system also enhances the longevity of the unit, as it puts less strain on the compressor compared to conventional air conditioners.

The Haier AC422AFERA is designed with user convenience in mind. It includes a remote control feature, enabling users to adjust settings from the comfort of their couch or bed. The digital display is easy to read, providing real-time feedback on temperature settings and operational modes. Furthermore, the unit features multiple cooling modes, including fan-only and dehumidification settings, allowing users to customize their comfort levels based on specific needs.

Another noteworthy characteristic of this air conditioning unit is its air purification system. The AC422AFERA includes filters that help to capture dust, allergens, and airborne particles, promoting a healthier living environment. Regular maintenance is simplified, with washable filters that can be easily removed and cleaned, ensuring sustained performance and air quality.

The design of the AC422AFERA is sleek and modern, allowing it to blend seamlessly with various home interiors. Its compact size makes it suitable for both wall-mounted and portable applications. Additionally, the unit operates quietly, providing cooling comfort without disruptive noise, making it ideal for bedrooms or home offices.

In conclusion, the Haier AC422AFERA is a versatile and efficient air conditioning solution that combines advanced technology with user-friendly features. Its inverter technology, effective cooling capacity, air purification system, and modern design make it a compelling choice for anyone looking to invest in a reliable cooling system for their home.