Hisense ADT-12UX4SSNL3 Technical & Service Manual page 137

T R O U B L E S H O
T R O U B L E S H O
1 4 .
1 4 .
Fault
Fault Description
code
16 Low DC voltage 200V
Driver board read EE
18
data error
PFC chip receive data
19
fault
PFC soft start
20
abnormal
The compressor drive
21 chip could not receive
data from PFC chip.
DC-� INVERTER AIR CONDITIONER TECHNICAL&SERVICE MANUAL
O T I N G
O T I N G
Possible Reason of Abnormality
1.Voltage input too low ;
2.Driver board fault.
1.EEPROM has no data or data error;
2.EEPROM circuit fault.
Abnormal communication loop
Abnormal PFC drive loop
Communication loop fault.
How to Deal With
1.Check the power supply.
2.Change the driver board.
1,Change EEPROM component;
2,Change the driver board.
Change the drive board.
Change the drive board.
Change the drive board.
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