haier AU422BIBAA - Manual (Page 14)

Troubleshooting
Trouble code display
E3
E5
Phenomenon of
outdoor unit trouble
The trouble of outdoor ambient
temperature sensor
The trouble of outdoor coil
temperature sensor
Over electric current protection
CT wire breaks
The flashing time of indicator light
on outdoor control panel Indoor control
panel indication
1 (A, B systems indicate together)
The communication trouble
between indoor and outdoor unit
8 (A and B system indicate individually)
The trouble of outdoor coil
temperature sensor
The trouble of electric current
overload
2 (A and B system indicate individually)
5 (A and B system indicate individually)
6 (A and B system indicate individually)
E3
E4
E5
E8
The communication trouble
between panel and indoor panel
E2
The trouble of outdoor ambient
temperature sensor
Phenomenon of indoor
unit trouble Trouble indication on remote
control type indoor unit
E5
E1
The trouble of indoor ambient
temperature sensor
The trouble of indoor coil
temperature sensor
E9
The communication trouble betw-
een indoor panel and outdoor panel
12
E8
Trouble code on wire
control type indoor unit
The compressor indicator light flashes 1
time in 0.2S/time frequency
The compressor indicator light flashes 2
time in 0.2S/time frequency
The compressor indicator light flashes 3
time in 0.2S/time frequency
E4
The compressor indicator light flashes 5
time in 0.2S/time frequency
The compressor indicator light flashes 4
time in 0.2S/time frequency
The compressor indicator light flashes 8
time in 0.2S/time frequency
The compressor indicator light flashes 9
time in 0.2S/time frequency