Hisense GBF18H-S User Manual page 100

7 . T R O U B L E S H O
7 . T R O U B L E S H O
Faul
t
Fault Description
cod
e
18 AC voltage is abnormal
Suction temperature sensor
19
fault
The temperature sensor for the
20
inlet tube of the condenser fault
The outlet tube of the
21 condenser temperature sensor
fault
22 The defrosting sensor fault
Expansion valve A tube(thin)
23
sensor fault
Expansion valve B (thin)tube
24
sensor fault
Expansion valve C (thin)tube
25
sensor fault
ON/OFF UNITARY AIR CONDITIONER TECHNICAL& SERVICE MANUAL V6.0
O T I N G
O T I N G
Possible Reason of Abnormality
failure;
3.The sampling circuit is abnormal.
1.The AC voltage>275V or <160V.
2.The AC voltage of sampling circuit on the
driver board is abnormally
1.The wiring of the suction temperature
sensor connect loose;
2. The suction temperature sensor is failure;
3. The sampling circuit is 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 circuit is 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 circuit is abnormally
1.The wiring of the defrosting sensor connect
loose;
2.The defrosting sensor is failure;
3.The sampling circuit is abnormally
1. The wiring of the sensor for the expansion
valve A(thin tube) connect loose;
2.The sensor for the expansion A(thin tube) is
failure;
3. The sampling circuit is abnormally
1. The wiring of the sensor for the expansion
valve B （ thin tube ）connect loose;
2.The sensor for the expansion valve B(thin
tube) is failure;
3.The sampling circuit is abnormally
1. The wiring of the sensor for the expansion
valve C(thin tube) connect loose;
2.The sensor of the expansion valve C（thin
tube）is failure;
3.The sampling circuit is abnormally
How to Deal With
sensor;
3.Replace the outdoor control board.
1. Normally protection, please check
the supply power;
2. Replace the driver board.
1.Reconnect the wiring of the suction
temperature sensor;
2.Replace the suction temperature
sensor;
3.Replace the outdoor control board.
1.Reconnect the wiring of the
temperature sensor for the inlet tube of
the condenser;
2.Replace the temperature sensor for
the inlet tube of the condenser;
3.Replace the outdoor control board.
1. Reconnect the wiring of the
temperature sensor for the outlet tube
of the condenser.
2.Replace the temperature sensor for
the outlet tube of the condenser;
3.Replace the outdoor control board.
1. Reconnect the wiring of the
defrosting sensor;
2. Replace the defrosting sensor;
3. Replace the outdoor control board.
1. Reconnect the wiring of the sensor
for the expansion valve A(thin tube);
2. Replace the sensor for the
expansion valve A(thin tube);
3. Replace the outdoor control board.
1.Reconnect the wiring of the sensor
for the expansion valve B(thin tube);
2.Replace the sensor for the expansion
valve B(thin tube);
3. Replace the outdoor control board.
1. Reconnect the wiring of the sensor
for the expansion valve C(thin tube);
2. Replace the sensor for the
expansion valve C(thin tube);
3. Replace the outdoor control board.
REMARKS
MUTI-SPLIT
TYPE ONLY
FOR
MUTI-SPLIT
&Inverter
unitary types
FOR
MUTI-SPLIT
outdoor
FOR
MUTI-SPLIT
outdoor
98