Need help with Dover T4 intermittently staying stuck at floor it takes a hall call then closes doors doors close to about 1/8 inch from fully shutting and will not leave floor I have checked all limits and gate switch are made also interlocks are made after about 1 maybe 2 minutes the door operator motor powers up and puts closing pressure on doors then takes off running it does this at multiple floors and there are no faults in controller relating to doors the only fault was a 106 for DSP battery is it possible this could be causing the issue I could not find much else on that fault