22-12-2011, 11:59 AM
(22-12-2011, 11:06 AM)Mark Wrote: It could be the Limits have been damaged or are jammed and are jumping on the screw adjusters. Your could take to cover off the motor to have a look to see if you can see any physical damage usually if you press screwdrive into the adjuster to hard it can bend the limits.
Other than that i would sujest trying Andrew @ Liftmaster Technical Helpline on 01935 823900 to check see if he has a soloution
Thank you - I will contact Andrew