Failure Code - Haier AS072XVERA Operation And Installation Manual

Failure code

TROUBLE SHOOTING
Faulty temperature sensor Tai
Faulty temperature sensor Tc1
Faulty temperature sensor Tc2
Faulty temperature sensor Tm
Faulty EEPROM on indoor
unit PCB
Abnormal communication
between indoor and outdoor unit
Indoor unit address repeated
Central control address repeated
Faulty indoor unit fan motor
Faulty driver of indoor unit
fan motor
Malfunction on outdoor unit
Note:
1. Please contact the installers or distributors when trouble happens to repair it.
2. Turn the power off and power on again, if the failure code recurs, please change the indoor unit PCB.
3. Failrue codes maked with
FAILURE CODE
(DISPLAYED ON LCD)
1
2
3
4
5
6
9
10
11
12
20
are resumable.
POSSIBLE REASONS
Sensor disconnected, or broken, or at wrong
position, or short circuit
Sensor disconnected, or broken, or at wrong
position, or short circuit
Sensor disconnected, or broken, or at wrong
position, or short circuit
Sensor disconnected, or broken, or at wrong
position, or short circuit
Faulty indoor unit PCB
Wrong connection, or the wires be disconnected,
or wrong address setting of indoor units, or faulty
PCB, or faulty power supply
Wrong setting of indoor unit address
Wrong setting of centralized control indoor unit
address
Fan is blocked, or the terminal is disconnected
from the PCB, or faulty indoor unit PCB
Faulty indoor unit PCB
Check the outdoor unit
31