Nexstar TV FAQ

Answers to your most common questions about Nexstar TV.

Quick, simple, and helpful information at a glance.

What does "connection error" mean on my Nexstar telescope?
This means that there is an issue with your telescope's connection to a device or computer. Check all cables and connections to ensure they are secure.
How can I fix the "motor stall" error on my Nexstar telescope?
This error usually occurs when the telescope's motor gets stuck. Try gently moving the telescope in the opposite direction and then resuming your tracking.
Why is my Nexstar telescope showing an "alignment failed" message?
This could mean that your telescope was not properly aligned with the north or a bright star before use. Try aligning again or using a different aligning method.
What does it mean when my Nexstar telescope shows "low battery"?
This means that your telescope's batteries are running low and need to be replaced. Make sure to use fresh batteries for optimum performance.
How do I calibrate the GPS on my Nexstar telescope?
Click this link for instructions on how to calibrate the GPS on your Nexstar telescope: https://www.nexstarsite.com/FAQ/NexStarGPS_Calibration.htm
Why is my Nexstar telescope displaying an "object not found" error?
This could mean that your telescope is not properly aligned or that the object you are trying to locate is below the horizon. Make sure to align your telescope and check the object's location before trying again.
How do I fix the "time and date error" on my Nexstar telescope?
This error can occur if the date and time are not set correctly on your telescope. Follow the steps in your telescope's manual to set the date and time accurately.
What does the "Slew Limit Error" mean on my Nexstar telescope?
This error occurs when the telescope reaches its physical limits and cannot continue moving. Check that nothing is obstructing the telescope's movement.
Why is my Nexstar telescope displaying a "R.A. Motor Fault" error?
The Right Ascension (R.A.) motor fault error occurs when there is an issue with the telescope's R.A. motor. Contact the manufacturer for assistance.
Can I use my Nexstar telescope without a computer?
Yes, Nexstar telescopes can be used without a computer by manually aligning the telescope and using the built-in hand control.
How do I troubleshoot a "hand control communication issue" on my Nexstar telescope?
This error usually means there is an issue with the cable connecting the hand control to the telescope. Make sure all connections are secure and try using a different cable if necessary.
Why does my Nexstar telescope display a "model error" message?
This indicates that the telescope's model or database is outdated. Update it using the latest software and firmware from the manufacturer's website.
How can I fix a "mount error" on my Nexstar telescope?
Mount errors can occur if the telescope's mount is not level or if the tripod legs are not fully extended. Check these factors and make adjustments as necessary.
What does "tracking error" mean on my Nexstar telescope?
This error is related to the telescope's tracking functionality and may occur if the telescope is not properly aligned or if there is an issue with the motors. Check alignment and try again or contact the manufacturer for assistance.
Why is my Nexstar telescope showing a "motor fault" error?
A motor fault error means there is an issue with the motor(s) responsible for moving the telescope. Contact the manufacturer for assistance or try resetting the telescope.
How do I solve a "declination motor error" on my Nexstar telescope?
Declination motor errors occur when there is an issue with the motor responsible for declination movement. Make sure all connections are secure and contact the manufacturer for further assistance.
How do I reset my Nexstar telescope?
You can reset your Nexstar telescope by turning it off, removing the batteries, waiting a few minutes, and then reinserting the batteries and turning it back on.
Why is my Nexstar telescope displaying "communication error" with my computer?
This error means there is an issue with the connection between your telescope and computer. Make sure all cables are secure and that you have selected the correct port in your computer's software.
What should I do if my Nexstar telescope shows a "computer connect error"?
This error occurs when the telescope cannot establish a connection with the computer. Check the cables and make sure you are using the correct software and port settings on your computer.
How do I fix a "meridian limit violation" error on my Nexstar telescope?
This error occurs when the telescope reaches its meridian limit, which is the point where it cannot track any further. To fix this error, reset the telescope and change the meridian limits in your telescope's settings.
What does the "park error" message mean on my Nexstar telescope?
This error occurs when the telescope cannot move to its park position. Check for any obstructions and make sure the telescope is properly aligned before attempting to park again.
How do I troubleshoot a "sensor issue" on my Nexstar telescope?
Sensor issues can occur if there is dirt or dust on the telescope's sensors. Clean the sensors gently using a soft cloth and try again.
Why is my Nexstar telescope displaying a "solar/wind alignment error"?
This means that the telescope's alignment has been affected by solar interference or wind gusts. Wait for the conditions to settle and try aligning again.
Can I use my Nexstar telescope for astrophotography?
Yes, Nexstar telescopes can be used for basic astrophotography with the appropriate adapters and add-ons. Keep in mind that they are not designed for advanced astrophotography.
How do I fix a "bulging battery" on my Nexstar telescope?
This can occur if the batteries have been left in the telescope for an extended period. Take the batteries out and replace them with fresh ones to avoid potential damage.
What does the "optical system error" mean on my Nexstar telescope?
This error may occur if there is an issue with the telescope's optics. Make sure all lenses and mirrors are clean and function properly, or contact the manufacturer for assistance.
How do I update the firmware on my Nexstar telescope?
Follow the instructions on the manufacturer's website to download and install the latest firmware for your Nexstar telescope.