How to solve "meter fault" issue?

Please follow the steps below to do the troubleshooting:
Meter side:
S1. Check whether the meter is solax authrized
S2. Check the meter address, it should be:001
S3. Check the baud rate, it should be:9600
S4. Check the communication protocol, It should be:N1
S5. Check the communication wire to see if it is well wired to meter 24&25 port.
Inverter side:
S1. Check whether the meter cable is connected to the meter/ct port of the inverter
S2. Check the pin definition, make sure the pin definition is correct
If upon still can not solve your issue, kindly contact solax support for more help.