Question about Celestron NexStar 80GT (189 x 80mm) Telescope

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No azimuth motion

My nexstar 80 GT does not move in azimuth when I can hear the motor turning

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Contact Celestron here:

http://www.celestron.com/c3/page.php?PageID=37

Posted on Sep 17, 2011

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1 Answer

Hi I have a meade ETX 105 pe I can get the scope to move Alt motion with the controller but it wont move in the Azimuth position with the controller. Might I be doing something wrong


This can be caused by 4 things-

A stuck button on the hand controller.

A bad hand controller cable

A burned out circuit board inside

A burned out Azimuth motor

(Long shot) bad firmware in the hand controller. DO a Reset and reload the firmware.

Try to borrow another hand controller and buy a new cable. If these two do not fix it then it's a mechanical problem or a circuit board problem inside the scope.

Meade can repair this but you will need to send them the scope:
http://www.meade.com/support/index.html

Mar 26, 2011 | Meade ETX-105AT (420 x 105mm) Telescope

1 Answer

What does no response 16 mean on a 8se nexstar telescope hand controller


This means that the hand control has lost communication with the electronics board within the base of the telescope. The number following this message will indicate the address of the component that has lost communication. 16 indicates the azimuth or RA motor board, 17 the altitude (declination) motor board. Unfortunately, this number doesn't tell why the error has occurred.

To clear the no response messages, repeatedly press UNDO. This fix may be only temporary and does not address the potential underlying problem.

You may want to send it in/return it for repairs.

Mar 01, 2011 | Celestron NexRemote Telescope Control...

1 Answer

Hi, Bought a used telescope with a GT mount. The polar adjustment will not go below 46 degrees without binding. The binding screw only turns 1/4 turn in each direction and appears to be binding the...


This scope does NOT need to be polar aligned --

Here is the manual:
http://www.celestron.com/c3/images/files/downloads/1228334587_nexstargt.pdf

This is an ALT AZ goto scope. Read the manual above. You use the hand controller to move the scope in Altitude and Azimuth(left-right).

You must align it on 2 stars in order for it to has successful gotos.

Read the manual above.

Aug 21, 2010 | Celestron NexStar 114GT (269 x 114mm)...

1 Answer

Celestron Nextar 8 doesn't track


You need to contact Celestron or a Celestron dealer:

http://www.celestron.com/c3/page.php?PageID=37

Oct 20, 2009 | Celestron NexStar 8i (600 x 203mm)...

1 Answer

The azimuth adjustment keys don't work


Send it back along with the hand controller describing the problem. Could be several things including a bad hand controller. If there is a local astronomy shop nearby take the scope there and ask to try one of the hand controllers in the shop and test it. If it now works you just need to buy another hand controller.

Otherwise send it in for repair

Jul 01, 2009 | Celestron NexStar 5 SE (300 x 44.45mm)...

1 Answer

Azimuth Drive failure on Nexstar 114


Hi Dan, before you ship it off somewhere, you may want to try and change out the hand controller with another one that someone has and see if the problem moves.

Nov 25, 2008 | Celestron NexStar 114GT (269 x 114mm)...

1 Answer

ETX125 PE new model. Elevation has totally stopped.


Could be that the DEC motor driver has died. That could be verified by swapping the connections between the RA and DEC. If the DEC now moves, then that is the problem. If not, then the DEC motor is bad.

Nov 17, 2008 | Meade ETX Premier Edition: ETX105 PE...

1 Answer

Azimuth motor gearing problem


Sounds like it could be that the worm gear is not meshing
Look here for guidelines in the internals

Oct 15, 2008 | Meade ETX-125EC (500 x 127mm) Telescope

1 Answer

Celestron nexstar 11" gps scope


Be sure that the Azimuth Axis is Lock, you migth want to try and move the telescope in the Azimuth to make sure it is it is locked. Be carful not to force it. I have seen on some post where the locking part of the Azimuth somtimes breaks. and the Azimuth Axis will just spin freely Locked down or not.

May 19, 2008 | Celestron NexStar 11 GPS (660 x 279mm)...

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