Thanks Jasem,

I deleted the Skysensor configs under /home/mate/.indi and restarted with same result. I've copied extract of log below with my edit of actions.

I think this is triggered by me not tracking anything i.e. in day testing mode I don't complete guide calibration, obtain target, focus, guide and track.
And it seems resolved if I right-click in KSTARS - Skysensor then Connect or go to EKOS and hit Connect - see below tracking starts and all seems OK:

The only other thing I noticed and it appears an irrelevant and known item, is the log reports an warning:
WARNING 317.448158 sec : Could not process mount date and time: 2018-08-10T

I'll do a full night test tonight with normal workflow to see if the issue is resolved.
Andrew


[AB added - output after setting new config for skysensor]

2018-08-10T09:05:56: Driver indi_lx200ss2000pc: read setSwitchVector SkySensor2000PC CONFIG_PROCESS Ok
CONFIG_LOAD='Off'
CONFIG_SAVE='Off'
CONFIG_DEFAULT='Off'
2018-08-10T09:05:56: Client 0: queuing <setSwitchVector device='SkySensor2000PC' name='CONFIG_PROCESS'>
2018-08-10T09:05:56: Client 0: sending msg copy 1 nq 1:
<setSwitchVector device="SkySensor2000PC" name="CONFIG_PROCESS" state="Ok" timeout="0" timestamp="2018-08-10T09:05:56">
<oneSwitch name="CONFIG_LOAD">
Off
</oneSwitch>
<oneSwitch name="CONFIG_SAVE">
Off
</oneSwitch>
<oneSwitch name="CONFIG_DEFAULT">
Off
</oneSwitch>
</setSwitchVector>

2018-08-10T09:06:16: Client 0: read newSwitchVector SkySensor2000PC ON_COORD_SET
SLEW='On'
2018-08-10T09:06:16: Driver indi_lx200ss2000pc: queuing responsible for <newSwitchVector device='SkySensor2000PC' name='ON_COORD_SET'>
2018-08-10T09:06:16: Client 0: read newNumberVector SkySensor2000PC EQUATORIAL_EOD_COORD
RA='1.69197'
DEC='1.23823'
2018-08-10T09:06:16: Driver indi_lx200ss2000pc: queuing responsible for <newNumberVector device='SkySensor2000PC' name='EQUATORIAL_EOD_COORD'>
2018-08-10T09:06:16: Driver indi_lx200ss2000pc: sending msg copy 1 nq 2:
<newSwitchVector device="SkySensor2000PC" name="ON_COORD_SET">
<oneSwitch name="SLEW">
On
</oneSwitch>
</newSwitchVector>

2018-08-10T09:06:16: Driver indi_lx200ss2000pc: sending msg copy 1 nq 1:
<newNumberVector device="SkySensor2000PC" name="EQUATORIAL_EOD_COORD">
<oneNumber name="RA">
1.69197
</oneNumber>
<oneNumber name="DEC">
1.23823
</oneNumber>
</newNumberVector>

2018-08-10T09:06:16: Driver indi_lx200ss2000pc: indi_lx200ss2000pc dispatch error: Property ON_COORD_SET is not defined in SkySensor2000PC.
2018-08-10T09:06:16: Driver indi_lx200ss2000pc: indi_lx200ss2000pc dispatch error: Property EQUATORIAL_EOD_COORD is not defined in SkySensor2000PC.


[AB added - after EKOS Mount Control motion arrow click ]

2018-08-10T09:07:57: Driver indi_lx200ss2000pc: indi_lx200ss2000pc dispatch error: Property TELESCOPE_MOTION_WE is not defined in SkySensor2000PC.
2018-08-10T09:07:57: Client 0: read newSwitchVector SkySensor2000PC TELESCOPE_MOTION_WE
MOTION_WEST='Off'
MOTION_EAST='Off'
2018-08-10T09:07:57: Driver indi_lx200ss2000pc: queuing responsible for <newSwitchVector device='SkySensor2000PC' name='TELESCOPE_MOTION_WE'>
2018-08-10T09:07:57: Driver indi_lx200ss2000pc: sending msg copy 1 nq 1:
<newSwitchVector device="SkySensor2000PC" name="TELESCOPE_MOTION_WE">
<oneSwitch name="MOTION_WEST">
Off
</oneSwitch>
<oneSwitch name="MOTION_EAST">
Off
</oneSwitch>
</newSwitchVector>

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