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Troubleshooting - Haier AU84NBTBAA User Manual

Outdoor unit network two by one type room air conditioner
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Troubleshooting

Trouble code display
Phenomenon of outdoor unit
trouble
The trouble of outdoor ambient
temperature sensor
The trouble of outdoor coil
temperature sensor
The trouble of outdoor dischar-
ging air temperature sensor
The outdoor discharging air
temperature is too high
Over electric current protection
CT wire breaks
Abnormal phase sequence
detection
The communication trouble be-
tween indoor and outdoor unit
Pressure protection
Phenomenon of indoor unit
trouble
The trouble of indoor ambient
temperature sensor
The trouble of indoor coil
temperature sensor
The trouble of outdoor ambient
temperature sensor
The trouble of outdoor coil
temperature sensor
The trouble of electric current
overload
Over press protection
Over/lack press protection
The communication trouble be-
tween panel and indoor panel
The communication trouble
between indoor panel and
outdoor panel
The trouble of water pump
The flashing time of indicator
light on outdoor control panel
1 (A, B systems indicate together)
2 (A and B system indicate individually)
3 (A and B system indicate individually)
4 (A and B system indicate individually)
5 (A and B system indicate individually)
6 (A and B system indicate individually)
7 (A, B systems indicate together)
8 (A and B system indicate individually)
9 (A and B system indicate individually)
Trouble indication on remote
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
The compressor indicator light flashes
4 time in 0.2S/time frequency
The compressor indicator light flashes
5 time in 0.2S/time frequency
The compressor indicator light flashes
6 time in 0.2S/time frequency
The compressor indicator light flashes
7 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
The compressor indicator light flashes
10 time in 0.2S/time frequency
Indoor control
panel indication
E 3
E 4
E 4
E 4
E 5
E 5
E 5
E 8
E 6
Trouble code on
wire control ty-
pe indoor unit
E 1
E 2
E 3
E 4
E 5
E 6
E 7
E 8
E 9
E 0
7

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