You are not logged in. [Login] Entrance · Main Index · Search · New user · Who's Online FAQ · Calendar

Telescope Specific Forums >> Celestron NexStar Previous   Index   Next   Threaded

Pages: 1 Andre Moutinho member Reged: 09/13/04 Loc: Sao Paulo, Brazil Nexstar 5 problem during alignment..       #5327995 - 07/21/12 10:12 AM Edit   Reply   Quote Quick Reply   I have a celestron nexstar 5 the begins to move uncontrololably while slewing or setting up alignment. only way to stop it is to shut it off and try to start over, but it just keeps happening. any suggestions? Thanks Andre Post Extras:       mclewis1 Thread Killer Reged: 02/25/06 Loc: New Brunswick, Canada Re: Nexstar 5 problem during alignment.. [Re: Andre Moutinho]       #5328019 - 07/21/12 10:34 AM Edit   Reply   Quote Quick Reply   Andre, Power, and if not that then it's probably the power. Seriously it's most commonly a power problem. Either a power source that's not up to the task or a power connection that's got problems. The simplest connection fix is to carefully split the center pin in the power socket on the mount with a small blade knife so the plug fits more securely. Also try another power source, make certain if you're using a battery that it's fully charged and try another DC power cable. The reason this often occurs when the scope starts to move is that is when the motors draw the most power or current/amperage. That extra draw of amperage often causes a power supply to drop it's voltage (or a bad connection with enough resistance to do the same), it's this drop in voltage that causes strange and incorrect things to happen. Next there are other possible connector issues internal to the mount. Best way to handle this is to open the base and re seat all the connectors. Finally it could be an encoder wheel that's come loose or the encoder is actually failing. These are part of the motor/gearcase assembly and not easily serviceable. Which model NexStar 5 do you have ... an orange tube 5SE? Post Extras:       Midnight Dan Postmaster Reged: 01/23/08 Loc: Hilton, NY, Yellow Zone (Bortl... Re: Nexstar 5 problem during alignment.. [Re: mclewis1]       #5328294 - 07/21/12 01:28 PM Edit   Reply   Quote Quick Reply   What Mark said. What are you using for power? -Dan Post Extras:       Pages: 1

Previous   Index   Next   Threaded

Extra information 1 registered and 12 anonymous users are browsing this forum. Moderator:  KWB, WaterMaster  Print Thread Forum Permissions       You cannot start new topics       You cannot reply to topics       HTML is disabled       UBBCode is enabled Thread views: 391 Jump to *Announcements and News* -----   Cloudy Nights Announcements   Discussion of CN Articles, Reviews, and Reports   Celestial Events*General Astronomy* -----   Beginners Forum   General Observing and Astronomy   Outreach   Light Pollution*Equipment Discussions* -----   ATM, Optics and DIY Forum   Binoculars   Binoviewers   Cats & Casses   Classic Telescopes   Equipment   Eyepieces   Mounts   Observatories   Reflectors   Refractors    Video and Electronically Assisted Astronomy*Observing* -----   NEO   Planetary and Solar System Observing   Lunar Observing   Deep Sky Observing   Double Star Observing   Solar   Variable Star Observing and Radio Astronomy*Telescope Specific Forums* -----   Celestron NexStar    NexStar GPS / CPC Telescopes   Questar Forum   Meade ACF/RCX / LX / GPS    Meade ETX*Speciality Forums* -----   Arizona Science and Astronomy Expo   NEAF (Northeast Astronomy Forum) and NEAIC (Northeast Astro Imaging Conference)   AstroArt   Astronomy Clubs and Star Parties   Astronomy Software & Computers   AstroWebsites   Science! Astronomy & Space Exploration, and Others   Space Rocks   Stellar Media

CN Forums Home