I am not sure if this is an APCC or MaxIm DL problem so I am putting this in both forums.
I have just started running my Astro-Physics 1100 GTO mount through Astro-Physics Command Center (APCC Pro Version 18.104.22.168) and the Observatory control window in MaxIm DL Pro (currently on V 6.29), and until tonight there have been no issues other than the normal learning curve.
I am using the AP ASCOM V2 Telescope Driver (version 5.30.10)
Tonight, after connecting my cameras and mount to MaxIm I gave the first GoTo command to the mount from MaxIm and it executed it correctly, but afterwards the mount would accept no more GoTo or any other commands through the MaxIm observatory control window. Note that when I gave the mount commands through APCC it behaved normally.
What I have observed is that after the mount finished slewing to the GoTo object, The mount status in MaxIm thought the mount was still slewing. Clicking the Abort button made no difference.
I shut down and restarted the mount, MaxIm, and APCC several times but always got the same result after the first GoTo command was executed.
Until tonight I had been using a Cat 5e .ethernet cable to connect from the mount controller to my computer. Tonight I started out with a new Cat 6a cable, but switching back to the original Cat 5e cable made no difference.