Verify your (usually 12V for this model) before powering on with new firmware to avoid damaging the T-Con board.
(Insert your panel number here, e.g., V400HJ6-PE1) File Type Needed: .bin or .rar (full dump) Download DUMP cristor 40LH420 carte mere MS3663 PB801 rar
If anyone has this file saved from a working unit, could you please share a download link? The TP.MS3663S.PB801 Verify your (usually 12V for this model) before