Meade ETX90AT Maksutov Telescope with UHTC (cat35140321) Logo

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Posted on Dec 13, 2010
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I have an issue on my meade ET90 AT. I have a motor failure message after the telescope try to find a star. Now when I turn on I received a message from the autostar to press 0 or mode in both case it start the test motor and appear the message Motor fault. I change the batteries but it doesn't change the result. When I turn on and I received the message "0 or press mode" if I try to push the arrows button the telescope move right and left but no up and down. I called the meade customer service and after 30 seconds they told me to bring the telescope to their repair center. Thanks

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Joe Lalumia aka TelescopeMan

Joe Lalumia aka TelescopeMan

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  • Master 3,186 Answers
  • Posted on Dec 14, 2010
Joe Lalumia aka TelescopeMan
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Try this.

1. Do a RESET on the hand controller.

2. Reenter your Site, Date, and Time.

3. Calibrate Motors

Now see if that fixed it. If not it will need to be returned to Meade because a gear or circuit is broken inside the scope.

  • Joe Lalumia aka TelescopeMan
    Joe Lalumia aka TelescopeMan Dec 18, 2010

    If this does not work or you cannot RESET the controller then either the DEC motor is fried, or the circuit board controlling the motor has a burned out component. Only Meade can repair this-- or you can disassemble the DEC fork arm and look inside and see what is wrong.

    If a gear is broken-- only Meade will have the gear. You will most likely send it back to Meade and let them fix what is broken.

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ETX90AT Maksutov Telescope with UHTC (cat35140321)

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