I have a Chamberlain, Model HD920EV.
Started off opening slow, and would get about a 18" open, and stop, with a excessive closing force detected, error.
I lubed the track a bit, and help a little bit, but goes up slow, and when it comes back down, when it gets about 3ft from closing, it comes down fast, and bangs into the floor.
Seems like it is pulling the motor, and no brakes towards the end, coming down?
Any thoughts, ideas, or suggestions, on what is going on with it, or just getting wore out?
Started off opening slow, and would get about a 18" open, and stop, with a excessive closing force detected, error.
I lubed the track a bit, and help a little bit, but goes up slow, and when it comes back down, when it gets about 3ft from closing, it comes down fast, and bangs into the floor.
Seems like it is pulling the motor, and no brakes towards the end, coming down?
Any thoughts, ideas, or suggestions, on what is going on with it, or just getting wore out?
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