Hisense AUD-09HX4SVNL Technical & Service Manual page 129

T R O U B L E S H
T R O U B L E S H
1 4 .
1 4 .
The following is the fault code table of indoor.
Fault
Fault Description
code
51 Drainage protection
Communication
64 between Indoor &
Outdoor unit Fault
Indoor unit zero check
71
fault
72 Indoor fan motor fault
Indoor EEPROM Data
73
1 fault
Indoor ambient
81 Temperature Sensor
Fault
O O T I N G
O O T I N G
Sheet 2 Indoor Error Code
Possible Reason of Abnormality
1. The water level of the drain pan
exceed safe level;
2. The cable of the water level switch
connect loose;
3.The water level switch is failure;
4. The control board is failure.
1. The connection cable between the
indoor unit and the outdoor unit
connect wrong;
2.The communication cable connect
loose;
3.The communication cable between
the indoor unit and the outdoor unit
is failure or the cable between the
indoor control board
to terminal is failure or the cable
between the outdoor control board
to the terminal is failure;
4. The indoor control board is failure;
5. The outdoor control board is failure.
1. The motor wire is loosen;
2. The motor connect is open;
3. The motor is failure;
4. Control board is failure.
5. Indoor fan is baffled.
1. The cable of the indoor fan motor
connect loose;
2. The cable of the indoor fan motor is
failure;
3.The indoor fan motor is failure;
4. The indoor control board is failure .
1.Indoor EE components is failure;
2.The control circuit of the EE
components is failure;
3.The EE components has been
inserted with opposite direction
1. The cable of the room temperature
sensor connect loose;
2. The room temperature sensor is
failure;
3. The sampling circuit is abnormally
How to Deal With
1.1 Check whether there are
something to block the drain hose
or the height of the drain hose is too
high;
1.2 Check the water pump and
replace the water pump if the water
pump is failure;
2. Reconnect the cable of the water
level switch refer to the wiring
diagram;
3. Replace the water level switch;
4. Replace the control board.
1. Reconnect the connection cable
refer to the indoor and outdoor
wiring diagram;
2. Reconnect the communication
cable refer to the indoor and
outdoor wiring diagram;
3. Replace the communication cable
refer to the indoor and outdoor
wiring diagram;
4. Replace the indoor control board;
5. Replace the outdoor control board.
1. Replace the motor wire and make
sure the wire connect is well;
2. Replace the motor wire;
3. Change the motor;
4. Change the indoor control board;
5. Check and elimination of fan
motor rotation.
1. Reconnect the cable of the fan
motor;
2. Replace the cable of the fan motor;
3. Replace the fan motor;
4. Replace the indoor control board;
5. Check the indoor fan and ensure
the indoor fan can run normally.
1. Replace the EE components;
2. Replace the indoor control board;
3. Reassembly the EE components of
the indoor control board
1.Reconnect the cable of the room
temperature sensor;
2. Replace the room temperature
sensor;
3. Replace the indoor control board.
127
REMARKS