I’m running an Optec Gemini rotator, which is randomly failing to complete a rotation command. This typically only happens when moving the rotator as part of a meridian flip or when SGP is moving to a 2nd or 3rd target of the evening. However, last night it happened on the initial target start.
SGPro ver 3.0.2.91
Exception text:
[08/08/18 21:46:02.983][DEBUG] [PHD2 Listener Thread] PHD2 GetPhdStatus - Post-Wait: Stopped
[08/08/18 21:46:23.070][DEBUG] [Telescope Thread] ASCOM Rotator: Error in Move(abs) : CheckDotNetExceptions ASCOM.OptecGemini.Rotator
IsMoving Get System.NullReferenceException: Object reference not set to an instance of an object.
(See Inner Exception for details) (System.NullReferenceException: Object reference not set to an instance of an object.)
at ASCOM.DriverAccess.MemberFactory.CheckDotNetExceptions(String memberName, Exception e) in
c:\ASCOM Build\Export\ASCOM.DriverAccess\MemberFactory.cs:line 630
at ASCOM.DriverAccess.MemberFactory.GetTargetInvocationExceptionHandler(String memberName, Exception e) in
c:\ASCOM Build\Export\ASCOM.DriverAccess\MemberFactory.cs:line 664
at ASCOM.DriverAccess.MemberFactory.CallMember(Int32 memberCode, String memberName, Type parameterTypes, Object parms) in
c:\ASCOM Build\Export\ASCOM.DriverAccess\MemberFactory.cs:line 288
at ASCOM.DriverAccess.Rotator.get_IsMoving() in c:\ASCOM Build\Export\ASCOM.DriverAccess\Rotator.cs:line 83
at SequenceGenerator.AscomRotator.g5(Single A_0)
[08/08/18 21:46:23.071][DEBUG] [Telescope Thread] Rotate failed…
Full file (Dropbox):
Charlie