How to solve negative value of power generation on SPF 5000TL HVM
Control board memory data overflow
You can learn how to upgrade inverter via
1. MPPT firmware needs to be upgraded as TMS320F28027_sk002.07_202202180952.bin
Please note when upgrading MPPT , make sure that PV system must be connected, or it can’t be upgraded.
2. Control board firmware needs to be upgraded as F2809_SK001.15_20220218A.bin
3. ISP TOOL Download
4. USB driving program Download
5. Clear Power generation negative value
If client doesn’t want to see negative value of power generation, you can clear it .
Press UP AND DOWN for 3 seconds, then input 309 and recover factory set( power generation value will be cleared as 0 ), power generation value will be caculated from 0.
6. modify power generation value
If you want to keep history power generation value, you can modify the register address value via Modscan32