How to fix 5.5kw VM II solar inverter error 03 fastest?

How to fix 5.5kw VM II solar inverter error 03 fastest?

If you connected with lifpoe4 batteries, but inverter lcd display show error 03, and inverter not charging for batteries. How should we do? Pls read below :

1- Please check if you connected with batteries well?

2-Please check how many voltage for battereries by multimeter

3- Please check how many batteries voltage from inverter lcd display?

4- Please setting NO.13 to 54V, and NO.29, Setting to 44V , and restarting the inverter.

5 – If problem still have, please change a new control borad to check if problem can solved?

6- If problem still haven’t solved, pls contact us. We will provide good after sales service for you:)

By the way, if LCD diplay show different with multimerter or BMS battereis. It beause control board didn’t set right from Factory. Then you will have to change a new control board that adjusted.

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