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311 Door Trouble

Posted By: Greg1234

311 Door Trouble - 06/01/17 11:33 AM

Has anyone ever had an Otis door operator on a 311 work OK after a learn cycle but then turn around and do what looks like a high speed clamping in both open and close?Door board and encoder have been replaced, thx.
Posted By: Indirtwetrust

Re: 311 Door Trouble - 06/01/17 03:46 PM

I have seen that on an AT-400 Linear operator with stripped coggs on the belt.
Posted By: pieman

Re: 311 Door Trouble - 06/01/17 08:10 PM

What type of operator ?
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