Hisense AUD-18HX4SUNL Service Manual page 68

7 . T R O U B L E S H
7 . T R O U B L E S H
Fault
code
36 No
37 No
38 No
39 No
40 No
41 Current sensor fault
Voltage sensor fault
42
H Pressure sensor fault
43
L Pressure sensor fault
44
IPM fault
45
46 IPM Communication fault
Too high exhaust temperature
47
shutdown
48 Outdoor DC fan fault
49 Outdoor DC fan fault
90 Forced expansion valve
IPM Temperature rise too high
91
downtime
Compression ratio is too large to
92
stop
93 No
94 No
95 No
96 No
97 Four way valve fault
98 No
99 No
NOTE：
1. If wire remote controller display of "FE", that is the wire controller can't receive the
signals of indoor unit control board
2. If wire remote controller display of "LOW" ,that is the ambient temperature below ten
degrees or the indoor unit control board don't receive wire controller signals
O O T I N G
O O T I N G
Fault of Fault description
The exhaust temperature is too
high to reach shutdown
temperature
IPM temperature is too high to
reach shutdown temperature
Four way valve commutation failure
63
Remarks