HI, I am also having this issue with my ASI 2600MC Pro. I can take 1 or 2 sec exposures with out any issue even setup a sequence.

I then tried 5 sec and it keeps failing. I will attach full log out

put.

Thanks

I am on Stellarmate 1.5.5 and Rpi4, I ran a debug session an this was in the logs:

[2020-12-09T20:28:45.000 MST DEBG ][ org.kde.kstars.ekos.capture] - Preparing capture job "/home/stellarmate/Pictures/Astrophoto/09Dec2020/Light_10_secs" for execution.
[2020-12-09T20:28:45.005 MST INFO ][ org.kde.kstars.ekos.capture] - "Capturing 10.000-second image..."
[2020-12-09T20:28:45.149 MST DEBG ][ org.kde.kstars.indi] - ZWO CCD ASI2600MC Pro : "[DEBUG] StartExposure->setexp : 10.000s "
[2020-12-09T20:28:45.150 MST INFO ][ org.kde.kstars.indi] - ZWO CCD ASI2600MC Pro : "[INFO] Taking a 10 seconds frame... "
[2020-12-09T20:28:55.758 MST DEBG ][ org.kde.kstars.indi] - ZWO CCD ASI2600MC Pro : "[DEBUG] ASIGetExpStatus failed. Restarting exposure... "
[2020-12-09T20:28:55.859 MST DEBG ][ org.kde.kstars.indi] - ZWO CCD ASI2600MC Pro : "[DEBUG] StartExposure->setexp : 10.000s "
[2020-12-09T20:28:55.861 MST INFO ][ org.kde.kstars.indi] - ZWO CCD ASI2600MC Pro : "[INFO] Taking a 10 seconds frame... "
[2020-12-09T20:28:56.859 MST DEBG ][ org.kde.kstars.indi] - ZWO CCD ASI2600MC Pro : "[DEBUG] ASIGetExpStatus failed. Restarting exposure... "
[2020-12-09T20:28:56.960 MST DEBG ][ org.kde.kstars.indi] - ZWO CCD ASI2600MC Pro : "[DEBUG] StartExposure->setexp : 10.000s "
[2020-12-09T20:28:56.962 MST INFO ][ org.kde.kstars.indi] - ZWO CCD ASI2600MC Pro : "[INFO] Taking a 10 seconds frame... "
[2020-12-09T20:28:57.962 MST INFO ][ org.kde.kstars.indi] - ZWO CCD ASI2600MC Pro : "[ERROR] Exposure failed after 3 attempts. "
[2020-12-09T20:28:57.963 MST INFO ][ org.kde.kstars.ekos.capture] - "Capture failed. Check INDI Control Panel for details."
[2020-12-09T20:28:57.965 MST INFO ][ org.kde.kstars.ekos.capture] - "Restarting capture attempt #1"
[2020-12-09T20:28:57.969 MST INFO ][ org.kde.kstars.ekos.capture] - "Capturing 10.000-second image..."
[2020-12-09T20:28:57.973 MST DEBG ][ org.kde.kstars.indi] - ZWO CCD ASI2600MC Pro : "[DEBUG] StartExposure->setexp : 10.000s "
[2020-12-09T20:28:58.055 MST INFO ][ org.kde.kstars.indi] - ZWO CCD ASI2600MC Pro : "[INFO] Taking a 10 seconds frame... "
[2020-12-09T20:29:31.485 MST INFO ][ org.kde.kstars.ekos.capture] - "CCD capture aborted"
[2020-12-09T20:29:31.497 MST DEBG ][ org.kde.kstars.ekos.capture] - setMeridianFlipStage: "MF_READY"
[2020-12-09T20:29:31.518 MST DEBG ][ org.kde.kstars.indi] - ZWO CCD ASI2600MC Pro : "[DEBUG] Aborting camera exposure... "

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