Fault 09 solved without any component change

[@ugtechnicalyoutubechannel6780]

Nice sir

[@irfanshafiqueelctronics5257]

Sir exelint information

[@RanaIrfannewyeargreeting2014]

A.O.A
Sir mera b yehi fault aya hai. Zahir to koi masla nazar ni araha lekin mppt controler wali side pe jo C18 pe Capistor hai wo kala hua hai. Lekin main ne dekha hai k Aap k MPPT controller pe to C18 per koi Capistor hi ni lga hua. Yeh kia waja hai.
Mera b same yehi board hai

[@amjadhussain3399]

Dear i have same board,my problem is buck converter igbt burns again and again,but it burns after when it shows battery is full than within a minute it burns, can u suggest me the fault.thanks

[@shakeelinvertersolutions5503]

check first igbt drive volt 5.2 then install igbt

[@amjadhussain3399]

@@shakeelinvertersolutions5503 dear sir, derive is ok...5.5v in off pulse mode.Burns only in charging mode buck converter igbt( it`s baising voltages are 13.8 to 15v )which are ok.when charging led stop to blink than birn in two minutes,all 5 igbt active rectifier plus buck converter igbt burns