Sounds to me like its got a tooth or some teeth missing if its geared, I
remember many years ago noting that the pan and tilt seemed to be a kind of
glorified version of a table fan mechanism in two planes driven by motors,
though I'd suggest yours is mor sophisticated and probably is a servo and
has limit switches.
Brian

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The Sofa of Brian Gaff...

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"Cynic" wrote in message
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I've got a problem with one of the memorial hall ptz cctv cameras. The
camera in question is about 7/8 years old, pre IP model. It regularly
"sticks" in one rotation direction and seems to sit pointing to the South
West while moving up and down seemingly following it's patrol program
vertical instruction.
The on screen display shows error 10 and the movement of the camera is
accompanied by a squeak.
Powering down and restarting causes it to self test and for a short while it
rotates per patrol program then sticks again.
The concept pro site offers downloadable manuals but only the updated IP
version.
Does anyone have an old manual or know what the error codes indicate? Or
know what sort of job it is to strip down one of these beasts?