User Manual
User Manual
User Manual
49
Error Code
LCD Display
Message
Phenomenon and Possible Cause
Phenomenon and
Possible Cause
73
L1 No Grid Err S
The connection between Grid and
inverter has problems or is missing.
Check the AC connection.
If everything is correct,
you need to contact local
agent or SAJ Service line.
74
L2 No Grid Err S
75
L3 No Grid Err S
76
PV1 Volt High S
1)The open-circuit voltage of the PV
generator is higher than the maximum
DC input voltage of the inverter.
C h e c k t h e P V s t r i n g
c o n f i g u r a t i o n . T h e S A J
D e s i g n e r c a n h e l p y o u .
If everything is correct,
you need to contact local
agent or SAJ Service line.
77
PV2 Volt High S
78
PV1 Curr. High S
1)The PV input current is beyond
the Max. Input Current. The value is
specified in the datasheet of the inverter.
2)The internal current sensor is damaged.
If the error is still active,
p l e a s e c o n t a c t t h e l o c a l
agent or SAJ Service line.
79
PV2 Curr. High S
80
PV Voltage Low S
The voltage of the PV input is too low.
C h e c k t h e P V s t r i n g
c o n f i g u r a t i o n . T h e S A J
D e s i g n e r c a n h e l p y o u .
If everything is correct,
you need to contact local
agent or SAJ Service line.
81
Lost Com. D<->C D
Communication between Control board
and Display board fails.
Check the connection between
Control board and Display
board. If everything is correct,
you need to contact local
agent or SAJ Service line.
2)Sudden DC surge.
