Growatt MID 1 7 KTL3-X1 - Page 156

Warning
message
Description
Suggest
Warning
401
The meter is abnormal
1. Check whether the meter is turned on;
2. Check whether the connection between the
machine and the meter is normal.
Warning
402
Optimizer and in-
verter communication
abnormal
1. Check if theoptimizerisopen;
2. Check whether the connection between the
optimizer and the inverter is normal.
Warning
403
String communication
abnormal
1.Check the string board wiring after shutdown;
2.If the fault message still exists,contact the
manufacturer.
Warning
404
Memory exception
1 .Restart the inverter;
2.If the fault message still exists, contact the
manufacturer.
Warning
405
The firmware version
of the control board
and the
communication board
do not match
1 .Check the firmware version;
2.If the fault message still exists, contact the
manufacturer.
Warning
406
Boost circuit failure
1 .Restart the inverter;
2.If the fault message still exists,contact the
manufacturer.