Celestron 130SLT error message

[MountainDog]

I have just encountered an error message which says "NO RESPONSE 16" when I power up my 130slt. Has anyone else experienced this issue?

[Starwatcher2001]

I'm sure you'll have already found this, but for context there's some info on Celestron's site:

https://www.celestron.com/blogs/knowledgebase/what-does-the-hand-control-message-no-response-16-and-or-no-response-17-mean

There's also a thread on Cloudy Nights:

https://www.cloudynights.com/topic/560565-celestron-nexstar-slt-130-no-response-error-17-and-17/

Is the scope now working, or is this a permanent problem?

 

[MountainDog]

Yes, I have read the Celestron info but had not seen the Cloudy Nights thread, which looks to be very helpful as well.

The scope is still not working. I am only certain at this point that the issue is not with my 12V power supply. Guess I'll now begin working my way through the other possible causes. 

[Cosmic Geoff]

You can look up what the message means on the nexstarsite.com.

I think you will find that it means something like 'No response from mount' aka 'something not working' 🙂.

I had this and so far as I can remember the cure was to reload the mount firmware (not the handset firmware).   You can do this but it is rather a faff and you need the right connecting cable and maybe a USB-to-serial unit if you have an older mount.

[Starwatcher2001]

I'd start by checking cables and connectors, including those going to the circuit boards (if you can get to them). Maybe disconnect and give them a clean. As Geoff said, it's possible that new software would fix things, but I think it's more likely to be mechanical or electrical.

Hope you get this sorted.