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