Haier au142afbea Manual De Usuario

Failure description

Room temp. sensor abnormal

Indoor coil temp. sensor abnormal

Outdoor coil temp. sensor abnormal

Over-current malfunction

Communication malfunction between indoor and wired controller

Communication malfunction between indoor and outdoor abnormal

Coil gas pipe temp. Sensor abnormal

Code on wired  Flash times of indoor
controller          receiver board

01                     Power LED flashes 1 time

02                     Power LED flashes 2 times

4A                     Power LED flashes 3 times

49                     Power LED flashes 4 times

48                     Power LED flashes 5 times

53

  Power LED flashes 6 times

07                     Power LED flashes 8 times

06                      Power LED flashes 9 times

03                      Power LED flashes 12 times

Outdoor temp. sensor abnormal

High / Low pressure abnormal

Temperature protection malfunction

0D                      Power LED flashes 13 times

Drainage system malfunction

08                      Power LED flashes 10 times

0B                      Power LED flashes 11 times

Alarm of exterior annunciator

13

Confirm whether the power source breaker (main switch) of the unit has been
turned on for over 12 hrs to energize the crankcase heater in advance of operation.
(For AU142AFBEA , AU182AFBEA, AU242AHBEA,AU282AHBEA,
AU28NAHBEA, AU36NAIBEA, AU42NAIBEA, AU52NAIBEA)

Run the unit continuously for about 30 minutes, and check the following.

Suction pressure at check joint of service valve for gas pipe.
Discharge pressure at check joint on the compressor discharge pipe.
Temperature difference between return air and supply air for indoor unit.

CAUTION

THIS UNIT WILL BE STARTED INSTANTLY WITHOUT "ON" OPERATION
WHEN ELECTRIC POWER IS SUPPLIED.BE SURE TO EXECUTE "OFF"
OPERATION BEFORE ELECTRIC POWER IS DISCONNECTED FOR
SERVICING.

This unit has a function of automatic restart system after recovering power stoppage.