Prothome problem celo bus unblance. Bus volt fix thakto na. pore dc dc change korle solve hoy. sathe jehetu long backup charger ache, AC line dilam, but AC pai na. Sense kore na. battery volt in er j pase boro akta diode thake sei diode ta age theke kata celo. Short charger khola celo age theke. pore jokhon sense painai takn akta short charger lagalam, r diode kata ta jora diye delam. tar poreo AC painai. check korte korte pore deklam input breaker kharap, tai AC in hoscelo na. Oeta solve korle AC pailo. ar por jokhon assemble kore power dite gelam tkn code 1269 show kore bus volt toiri hoi but inverter start hoina. Control card khule abar tight kore laganor por solve holo. Code 12 kono problem na. Halka press kore 12 how kore off hoye jai. r akta kotha: board-to-charger-e j cable dui tar diye lagano thake; oi cable na lagaleo cholbe. duita charger-e full charge-e auto cut system ache. akhane ami cable lagai deini
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