Haier AB072XCBAA, Service Manual, Page: 157 / 181

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11.2 For wall mounted type and the console type unit, their failure code is below:
Failure description
Code on wired
controller
(YR-E06)
Flash times of indoor receiver
board
Room temp. sensor abnormal
⊙
F1 Power LED flashes 1 time
Indoor coil temp. sensor abnormal (liquid pipe)
⊙
F2 Power LED flashes 2 times
Refrigerant system abnormal F3 Power LED flashes 3 times
Indoor coil temp. sensor abnormal (gas pipe)
⊙ F4 Power LED flashes 4 times
High pressure abnormal (outdoor) F5 Power LED flashes 5 times
Drainage abnormal
⊙ F6 Power LED flashes 6 times
Communication between indoor and wired controller
⊙ F7 Power LED flashes 7 times
Indoor fan motor abnormal (up) Power LED flashes 8 times
Indoor fan motor abnormal (down) Power LED flashes 9 times
3 phase abnormal E1 Running LED flashes once
Low pressure abnormal (outdoor) E2 Running LED flashes twice
Communication between indoor and outdoor abnormal
⊙
E3 Running LED flashes 3 times
Compressor overheat E4 Running LED flashes 4 times
CT current abnormal E5 Running LED flashes 5 times
Outdoor ambient temp. sensor abnormal
⊙
E6 Running LED flashes 6 times
Outdoor coil pipe temp. sensor abnormal
⊙
E7 Running LED flashes 7 times
Outdoor suction temp. sensor abnormal
⊙ EA Running LED flashes 10 times
Abnormal modes running
⊙ EC Running LED flashes 11 times
Outdoor discharging temp. sensor abnormal
⊙
ED Running LED flashes 12 times
Indoor EEPROM abnormal EE Running LED flashes 14 times
Note: Resumable failures are marked with “
⊙
”, the others are not resumable failures.
Resumable failure will disappear when the failure is eliminated and its failure code will
disappear automatically within 30 seconds. But the other failure code will disappear only
after the unit starts up once again.
When failure occurs, the unit only can receive “OFF” signal from the controller. And when
the unit is shut off, the failure code will disappear.
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