I think one of the possible reasons for this problem may be a faulty connection.
I think this problem may have occurred due to a faulty electric connection.
ご質問ありがとうございます。
① "I think one of the possible reasons for this problem"＝「この問題の可能である理由の一つは」
"may be a faulty connection."＝「接触不良かもしれません。」
② "I think this problem may have occurred"＝「この問題は起こったかもしれません」
"due to a faulty electric connection."＝「接触不良により。」
ご参考に。
アメリカ合衆国 
