Hisense AUD-18UX4SGKL Service Manual page 69

7.TROUBLE SHOOTING
temperature
sensor fault
AC voltage
18
abnormal
the suction
19 temperature
sensor fault
The
temperature
20 sensor for the
inlet tube of the
condenser fault
The
temperature
sensor for the
21
outlet tube of
the condenser
fault
the defrosting
22
sensor fault
the sensor for
the expansion
23
valve
tube) fault
the sensor for
the expansion
24
valve
tube) fault
the sensor
the expansion
25
valve C （ thin
tube） fault
the sensor
the expansion
26
valve D （ thin
tube） fault
temperature sensor connect loose;
2.The discharge
sensor is failure;
3.The sampling circuit is abnormal
1.The AC voltage>275V or <160V.
is 2.The AC
circuit on
abnormally
1.The wiring
temperature sensor connect loose;
2. The suction temperature sensor
is failure;
3. The sampling
abnormally
1.The wiring of the temperature
sensor for the inlet tube connect
loose;
2.The temperature sensor for the
inlet tube is failure;
3.The sampling
abnormally
1.The wiring of the temperature
sensor for the outlet tube connect
loose;
2.The temperature sensor for the
outlet tube is failure;
3.The sampling
abnormally
1.The wiring of the defrosting
sensor connect loose;
2.The defrosting sensor is failure;
3.The sampling
abnormally
1. The wiring of the sensor for the
expansion
connect loose;
2.The sensor for the expansion
A(thin
A(thin tube) is failure;
3. The sampling
abnormally
1. The wiring of the sensor for the
expansion valve B （ thin tube ）
connect loose;
2.The sensor for the expansion
B(thin
valve B(thin tube) is failure;
3.The sampling
abnormally
1. The wiring of the sensor for the
expansion
of
connect loose;
2.The sensor of the expansion
valve C（thin tube）is failure;
3.The sampling
abnormally
1.The wiring of the sensor for the
of
expansion
connect loose;
2.The sensor of the expansion
valve D（thin tube）is failure;
temperature
voltage of sampling
the drive board
of the suction
circuit
circuit
circuit
circuit
valve A(thin tube)
circuit
circuit
valve C(thin tube)
circuit
valve D(thin tube)
discharge temperature sensor;
2.Replace the discharge temperature
sensor;
3.Replace the outdoor control board.
1. Normally protection, please check
the supply power;
is
2. Replace the drive board.
1.Reconnect the wiring of the suction
temperature sensor;
2.Replace the suction temperature
sensor;
is
3.Replace the outdoor control board.
1.Reconnect the
temperature sensor for the inlet tube
of the condenser;
2.Replace the temperature sensor for
the inlet tube of the condenser;
is
3.Replace the outdoor control board.
1. Reconnect the
temperature sensor for the outlet
tube of the condenser.
2.Replace the temperature sensor for
the outlet tube of the condenser;
is
3.Replace the outdoor control board.
1. Reconnect the
defrosting sensor;
2. Replace the defrosting sensor;
is
3. Replace the outdoor control board.
1. Reconnect the wiring of the sensor
for the expansion valve A(thin tube);
2. Replace the
expansion valve A(thin tube);
is 3. Replace the outdoor control board.
1.Reconnect the wiring of the sensor
for the expansion valve B(thin tube);
2.Replace the
expansion valve B(thin tube);
3. Replace the outdoor control board.
is
1. Reconnect the wiring of the sensor
for the expansion valve C(thin tube);
2. Replace the
expansion valve C(thin tube);
is 3. Replace the outdoor control board.
1. Reconnect the wiring of the sensor
for the expansion valve D(thin tube);
2. Replace the
expansion valve D(thin tube);
3. Replace the outdoor control board.
wiring of the
wiring of the
wiring of the
sensor for the
sensor for the
sensor for the
sensor for the