Re: A Question Regarding an AP900 Mount




What  CPx are you using to drive the motors? A CP3 or a CP4?


If the keypad has no issue moving the dec axis, then the motors and the mount are fine. I suspect a software issue or cable issue. I would start with using a different cable and connector to reach the CPx. For example, on a CP3 you could swap out your serial cable and use the second serial port.


Liam Plybon



From: <> On Behalf Of
Sent: Thursday, April 8, 2021 10:59 AM
Subject: [ap-gto] A Question Regarding an AP900 Mount


Hi Everyone

I'm looking for some insight.  Last night while using my AP900 mount, my software was sending the mount to a location in the sky and I could hear the dec axis motor but there was no movement of the dec axis.

When I tried to manually slew the mount via hand controller, it moved ok.  And later did slew to other locations.

I am using the ASIair pro system to control the mount

When I grasp the dec axis and try to move it, it seems to be solid with no backlash.

Any insight into what may have happened to the dec axis not moving?  



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