Haier AD842AHEAA, AU84NATEAA Shows resumable fault, shows it is not resumable fault

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11

shows resumable fault, shows it is not resumable fault.

Flash times

Failure code

Failure code

Failure description

Reason

Remarks

for remote type

on wired controller

for central control

 

 

 

 

 

 

 

 

 

1

01(01H)

01D

Indoor ambient temp. sensor failure

Sensor broken down or short circuit for more than 2min

 

 

 

 

 

continuously

 

 

 

 

 

 

 

2

02(02H)

02D

Indoor coil temp. sensor failure

Sensor broken down or short circuit for more than 2min

 

 

 

 

 

continuously

 

 

 

 

 

 

 

3

74(4AH)

11D

Outdoor ambient temp. sensor failure

Sensor broken down or short circuit for more than

 

 

 

 

 

2min continuously

 

 

 

 

 

 

 

4

73(49H)

12D

Outdoor coil temp. sensor failure/ Compressor

Sensor broken down or short circuit for more than

 

discharging temp. sensor abnormal

 

 

 

 

2min continuously

 

 

 

 

 

 

 

 

 

 

 

 

5

72(48H)

10D

Over-current protection / Power supply

CT check abnormal 3 times in 30min / Fault phase,

 

abnormal

 

 

 

 

short of phase,out of balance greatly

 

 

 

 

 

 

 

 

 

 

 

 

6

83(53H)

14D

High/Low pressure abnormal

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

 

 

 

 

 

switch acts in normal running

 

 

 

 

 

 

 

8

07(07H)

06D

Communication between wired controller and

Communication abnormal for more than 4min continuously

 

indoor abnormal

 

 

 

 

 

 

 

 

 

 

 

 

9

06(06H)

05D

Communication between indoor and outdoor

Communication abnormal for more than 4min continuously

 

 

 

 

abnormal

 

 

 

 

 

 

 

 

10

08(08H)

21D

Drainage system abnormal

Float switch broken down for more than 25min 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 2min

 

 

 

 

 

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 2min

 

 

 

 

 

continuously

 

 

 

 

 

 

 

20

77(4DH)

15D

Outdoor discharging B(oil temp sensor-for

Sensor broken down or short circuit for more than 2min

 

 

 

 

MRV II)

continuously

 

 

 

 

 

 

 

Diagnosis for On-Off models

Troubleshooting

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Contents Duct Type AIR Conditioner Contents Safety Instructions and Warnings Disposal of the old air conditionerDisposal of the packaging of your new air conditioner Safety Precautions Shock Machine is adaptive in following situation Parts and Functions Indoor UnitOutdoor Unit Heating Mode HOT Keep functionWarming Operation Care and Maintenance Troubleshooting Cooling or heating is not sufficientCooling Is not sufficient Shuru Followings are not malfunctionShows resumable fault, shows it is not resumable fault Diagnosis for On-Off modelsPrecaution for Installation Safety precautionsIs the Unit Installed Correctly When you change your address or the installation placeFor inspection and maintenance Electric workInstallation Precedure Height of ceilingIndoor Unit Preparation before installation Installing indoor unitAdjusting to the levelness Procedures Indoor Unit Drain PipingDrainage Test Indoor Unit Installation of air suction and discharging duct Chosen chart of simple duct Note1Pa/m=0.1mmAg/mExamples of improper installation Refrigerant pipeOutdoor Unit Selecting the installation place Warning Dimension of outdoor unitInstalltion space Delivery of outdoor unitOutdoor Unit Mounting outdoor unit Outdoor Unit Connection of refrigerant pipe Warning Connection of refrigerant pipeDuring welding of the distribution pipe Outdoor unit pipelines connectionOutdoor Unit Leak Test Check if the pressure decreaseCheck for leakage Outdoor Unit Pipe Vacuumizing Indoor unit Outdoor unitOutdoor Unit Refrigerant charge Calculation of the the refrigerant chargeRefill refrigerant Open all valvesElectrical Wiring Precautions for Electrical wiringSelection of size of power supply and interconnecting wires Wiring connectionPage Haier Group

AU84NATEAA, AD842AHEAA specifications

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