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Pages: 1 Graytalon member Reged: 02/05/13 Motor failure on a ETX 90AT, circa 2004       #5732072 - 03/14/13 11:28 AM Attachment (14 downloads) Edit   Reply   Quote Quick Reply   Morning all, I need to find out if there is an issue with my "handset" or the motor. I keep getting motor failure error when trying to align the mount in the "Easy" mode. I have swapped batteries, gone as far as to use a dc adapter. I did a Reset, Calibrate, and Train Drives...twice. The only thing I haven't done is try to update the handset, but I don't have the cable to do that. My question is am I missing something or is the drive just toast? thanks, GT Oh yeah, here's a shot of PanSTARRS from my Canon powershot in a parking lot. Sometimes you just get lucky. Edited by Graytalon (03/14/13 11:31 AM) Post Extras:       jgraham Postmaster Reged: 12/02/04 Loc: Dayton, Ohio Re: Motor failure on a ETX 90AT, circa 2004 [Re: Graytalon]       #5732346 - 03/14/13 02:32 PM Edit   Reply   Quote Quick Reply   A motor fault is usually a weak power source. Since you've changed the batteries and added an AC adapter it is not the source itself, but it could be a dirty connection. Carefully clean the connections on both ends of the cable and the receivers on the handset and mount. I've also seen this fault with a cable that was too long. I doubt this is what you are running into, but the handset won't work with cable extensions longer than about 14 feet. Last thought, see if your mount has a hard stop. If it does you might be running into it. Post Extras:       bartine Pooh-Bah Reged: 10/03/07 Loc: Potomac, MD Re: Motor failure on a ETX 90AT, circa 2004 [Re: jgraham]       #5734132 - 03/15/13 01:18 PM Edit   Reply   Quote Quick Reply   Does the mount slew in all axis? The motor failure can also be a bad wire connection... Post Extras:       Geo. Carpal Tunnel Reged: 10/01/08 Loc: Upstate NY Re: Motor failure on a ETX 90AT, circa 2004 [Re: bartine]       #5741666 - 03/18/13 08:31 PM Edit   Reply   Quote Quick Reply   Motor failure means the HC can't find/communicate with the motor. Post Extras:       Graytalon member Reged: 02/05/13 Re: Motor failure on a ETX 90AT, circa 2004 [Re: Geo.]       #5753323 - 03/24/13 06:40 AM Edit   Reply   Quote Quick Reply   Thanks for the info on the HC. I haven't had time this week to test that out. Something about wife, kid, work, hail...been interesting the last week or so. Any way, I have found the scope works beautifully without the motor. I borrowed a 10mm ep from a club mate at a star party for some scouts on the 16th and now I have to get one...Jupiter was awesome! GT Post Extras:       Pages: 1

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