Indication By The Indoor Unit - Hisense AS-09UR4SVNVG1 Service Manual

7 T R O U B L E S H
7 T R O U B L E S H

Indication by the indoor unit

Press the high power for 4 times in a row and the trouble
codes listed below will be displayed.
0 No trouble
1 Outdoor coil
sensor in trouble
2 Compressor temperature
sensor in trouble
3 Voltage transformer in
trouble
4 Current transformer in
trouble
5 IPM module protection
6 Over and under-voltage
control
7 Communication trouble
8 Current overload control
9 Maximum current control
10 Communication
trouble(between outdoor
unit and driver unit)
11 Outdoor EEPROM in trouble
13 Compressor exhaust
temperature too high control
14 Outdoor ambient
temperature sensor in
trouble
15 Compressor housing
temperature control
O O T I N G
O O T I N G
temperature
16 Anti-freeze or overload
control
18 DC compressor fails to start
19 DC compressor out of step
33 Room temperature sensor in
trouble
34 Indoor coil temperature
sensor in trouble
36 Communication between the
indoor and outdoor in trouble
39 Indoor fan motor operation
abnormal
40 Grid protection
(cabinet type)
41 Detecting failures by
zero-crossing
alarm