25
Faults
Possible cause
Solution
Fault/
Warning
code
Fault icon
Alarm
F16
On
constantly
Beep
continuously
INV negpower
Please contact the distributor
or Service center.
F17
On
constantly
Beep
continuously
R inv negpower
Please contact the distributor
or Service center.
F18
On
constantly
Beep
continuously
S inv negpower
Please contact the distributor
or Service center.
F19
On
constantly
Beep
continuously
T inv negpower
Please check parallel line
connect or not.
F21
On
constantly
Beep
continuously
Inv React Power
Please contact the distributor
or Service center.
F22
On
constantly
Beep
continuously
Overload Fault
Please contact the distributor
or Service center.
F23
On
constantly
Beep
continuously
Inv over
temperature
Please contact the distributor
or Service center.
F24
On
constantly
Beep
continuously
Inv relay open
Please contact the distributor
or Service center.
F25
On
constantly
Beep
continuously
Inv relay stick
Please contact the distributor
or Service center.
F27
On
constantly
Beep
continuously
Converter Over
Temperature
Maybe the fan out of work
or the environment temp. is
to high.
F32
On
constantly
Beep
continuously
Communication
line loss
Check the parallel line is
connect OK.
F34
On
constantly
Beep
continuously
Can fault
Please contact the distributor
or Service center.
F35
On
constantly
Beep
continuously
Syn line fault
Please contact the distributor
or Service center.
F55
On
constantly
Beep
continuously
Ntc abnormal
Please contact the distributor
or Service center.
F56
On
constantly
Beep
continuously
Para line loss
Please contact the distributor
or Service center.
F57
On
constantly
Beep
continuously
Bat abnormal
Check the battery number or
voltage is right.