Hisense ADT-12UX4SSNL3 Technical & Service Manual page 131

T R O U B L E S H
T R O U B L E S H
1 4 .
1 4 .
Fault
Fault Description
code
the refrigerant of
96 the unit is not
enough fault
4-way valve
97 commutation
failure fault
DC-� INVERTER AIR CONDITIONER TECHNICAL&SERVICE MANUAL
O O T I N G
O O T I N G
Possible Reason of Abnormality
The refrigerant of the unit is not enough
1.The wiring of the 4-way valve coil
connect loose;
2.The 4-way valve coil is failure;
3.The 4-way valve is failure;
4.The driver board of the 4-way valve is
failure
How to Deal With
Discharge the refrigerant and charge the
refrigerant refer to the rating label
1. Reconnect the wiring of the 4-way
valve;
2. Replace the 4-way valve coil;
3. Replace the 4-way valve;
4.Replace the driver board of the 4-way
valve.
Remarks
129