F Fireline New member Joined Jan 22, 2025 Messages 1 Jan 22, 2025 #1 Hi i have a T770 with a code M1921, i am curious as to what that is and a repair procedure for it. When it comes on it also derates it and the machine won't idle up.
Hi i have a T770 with a code M1921, i am curious as to what that is and a repair procedure for it. When it comes on it also derates it and the machine won't idle up.
