nagative power generation value on SPF 6KT HVM
Phenomenon
![](https://www.amosplanet.org/wp-content/uploads/2022/07/企业微信截图_16546907318678-1024x381.png)
![](https://www.amosplanet.org/wp-content/uploads/2022/07/image-52.png)
Solution:
Upgrade MPPT board and modify Etotal
Procedures
1.Download Speical MPPT board Firmware for SPF 6KT HVM
SPF 6KT HVM MPPT Firmware Download for Negative power generation value
Upgrade MPPT board and modify Etotal
SPF 6KT HVM MPPT Firmware Download for Negative power generation value