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ETX-90 slewing screwy


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#1 Chronicler1701

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Posted 02 August 2014 - 11:51 AM

I have my telescope plugged in to a power source, and when I go to use the handbox to slew it, it doesn't move up or down, and side to side is stuck at maximum. I don't know what is causing this. Could it be the mechanisms, or the Autostar handset?

Any help would be appreciated.

#2 Atjous

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Posted 02 August 2014 - 01:56 PM

First thing to try: disconnect the power source, flip in the appropriate batteries, and try again! Same problem? It's the electronics. Working fine? It's the power source.

At least, that's how I would troubleshoot this …
Good luck!

Meade LX90 8" GPS | Meade ETX90 | Coronado PST | Celestron C70


#3 MistrBadgr

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Posted 02 August 2014 - 06:19 PM

After the battery test that Atjous described, try unplugging and plugging back the cord between the handset and the mount several times in case you have a dirty contact there.

 

Is this scope new or has it been around for a while?

 

Bill Steen


Bill Steen, Sky Hunters' Haven Observatory, Broken Arrow, Oklahoma

#4 Mark Sibole

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Posted 03 August 2014 - 06:46 PM

Generally its a bad or coroded cable.Like Bill stated unplug it and plug it in real fast 30 or 40 times to see if it is a corosion issue.


Mark Sibole
MTSO Observatory
Fife Lake, Mi.

http://astronomy.qteaser.com




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