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Post by Deleted on Apr 6, 2014 19:35:08 GMT
Hello chaps,
I had some issues a while back with the HC freezing up and the mount losing tracking and generally messing me about. At the time I was using a 12V ac to dc adapter with 5 amps to power the mount and dew heaters. Once I stopped doing this and got a spate adapter for the dew heaters the problems disappeared. However the problem is back! Is it possible these adapters have a shelf life, or maybe they have become a little damp? I just don't see why it would be fine for several months and then all of sudden give me issues! Is there something that may be more reliable? Also, is there something I could use to test the adapters? Normally you could check on the HC to see what voltage the mount is getting but there is a known bug with the latest v3.35 software that has messed up this reading!!
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Post by Deleted on Apr 6, 2014 20:52:43 GMT
Do you know what Amps all the gear draws Karl?
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Post by Deleted on Apr 6, 2014 21:15:49 GMT
Do you know what Amps all the gear draws Karl? Hi Carl, I have no idea. I just know i use one 12v 5amp adapter for the mount only. The mount is supposed to draw 3 amps. It might be the 12v is a bit close to the 11v min required for the mount?
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Post by davy on Apr 6, 2014 21:33:44 GMT
Think you should out an amp meter into the circuit and test on tracking and slewing settings and compare with makers specs
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Post by Deleted on Apr 6, 2014 21:43:33 GMT
Think you should out an amp meter into the circuit and test on tracking and slewing settings and compare with makers specs Hi Davy, I have no clue about amp metres. What should I be looking for and how do I use it?? I would have thought if the mount draws 3 that the 5 am adapter would cover it? Is there a gadget to test the adapter?
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Post by Deleted on Apr 6, 2014 21:50:44 GMT
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Post by Deleted on Apr 6, 2014 22:13:18 GMT
Thats a similar problem to what I have had with my AVX mount. I run mine with a 12v DC regulated bench supply, so I'm reasonably sure its not a power problem. Anyway. my mount has gone back to Celestron for testing and repair/replacement if they find out whats causing it.
FLO tested it and could find no problem, but an hours use at home and it went haywire again.
doing my head in not having a mount to use.
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Post by Deleted on Apr 6, 2014 22:23:27 GMT
I have two of these adapters, one I use for the cameras and the other for the mount but I have had issues using both. My guess now is there is an issue with the mount! I'll email FLO, what a pain!
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Post by Deleted on Apr 6, 2014 22:24:56 GMT
Thats a similar problem to what I have had with my AVX mount. I run mine with a 12v DC regulated bench supply, so I'm reasonably sure its not a power problem. Anyway. my mount has gone back to Celestron for testing and repair/replacement if they find out whats causing it. FLO tested it and could find no problem, but an hours use at home and it went haywire again. doing my head in not having a mount to use. Thanks Allan, I think I may have the same issue! Hopefully FLO can help.
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Post by Deleted on Apr 6, 2014 22:33:16 GMT
Hope you have better luck than I did. FLO have been very good, but could not find any problem. So they collected the mount again and sent it to Celestron.
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Post by Deleted on Apr 6, 2014 23:02:03 GMT
Hope you get this issue sorted guys. Unfortunately the mount is the only thing we cant sort ourselves if there is a problem.
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Post by davy on Apr 6, 2014 23:21:35 GMT
The twin cable would be split at a section to then give you two single wires..cut one and bare the wires..you could then add in a 12 v in line blade fuse holder. .leave the fuse out and put the probes of the multi meter in to each end of fuse holder to complete the circuit. .run the mount on fastest slew speed and note the amp reading on meter...it should not exceed manufacturers spec if it does. .could have a motor drawing too much current. .hope this helps..fit a blade fuse to the max adapter rating or slightly less so fuse would pop not the adapter..davy
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Post by Deleted on Apr 6, 2014 23:27:55 GMT
The twin cable would be split at a section to then give you two single wires..cut one and bare the wires..you could then add in a 12 v in line blade fuse holder. .leave the fuse out and put the probes of the multi meter in to each end of fuse holder to complete the circuit. .run the mount on fastest slew speed and note the amp reading on meter...it should not exceed manufacturers spec if it does. .could have a motor drawing too much current. .hope this helps..fit a blade fuse to the max adapter rating or slightly less so fuse would pop not the adapter..davy Thanks Davy, I've written to FLO now so hopefully they will help.
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