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July 1st: Store will be closed for Canada Day. Orders placed that day will ship on July 2nd.
July 1st: Store will be closed for Canada Day. Orders placed that day will ship on July 2nd.

Celestron Motor Board for CPC Telescopes

by Celestron
SKU CEL-NXW431
$175.00 - $175.00
$175.00
$175.00 - $175.00
$175.00
Price Match Policy!
  • Genuine Celestron replacement motor control board
  • Restores accurate GoTo slewing and tracking
  • Resolves common "No Response" error codes
  • Designed for all models in the Celestron CPC series
  • Covered by a 2-Year Celestron warranty
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Warranty

  • Celestron Motor Board for CPC Series Telescopes

    Bring the heart of your telescope's precision pointing back to life with the Celestron Motor Board for CPC Series Telescopes. This genuine Celestron replacement part is the definitive solution for restoring the accurate GoTo slewing and dependable tracking your CPC mount was designed for, backed by a 2-Year factory warranty. If your telescope has become unreliable, this board is the key component for returning its motor control system to factory-new condition.

    Restore Your CPC's Original GoTo Slewing and Tracking

    The motor control board is the electronic brain of your CPC telescope's drive system, translating commands from the hand controller into precise physical movement. When this component fails, even a perfectly aligned telescope can suffer from erratic slewing, poor tracking, or a complete loss of communication with the motors, often resulting in "No Response 16" or "No Response 17" errors.

    By replacing a faulty or damaged board, you restore the stable communication between the control system and the drive motors. This ensures your telescope responds instantly and accurately, finding and tracking celestial objects with the smooth, quiet precision you expect from a CPC system.

    A Genuine Celestron Part for Guaranteed Compatibility

    This is an authentic Celestron-manufactured part, ensuring a perfect fit and seamless electronic integration with all CPC and CPC Deluxe telescopes, from the 8-inch model to the 11-inch. Using a genuine replacement part eliminates the guesswork and potential compatibility issues that can arise from third-party components. It's the most reliable way to ensure a lasting repair and maintain the integrity of your telescope's electronics.

    Diagnosing a Faulty Motor Board: Common Symptoms

    If your CPC mount is experiencing electronic issues, a failing motor board is a common cause. Before ordering, consider if your telescope exhibits any of the following symptoms, especially after confirming your power supply is stable and sufficient.

    • "No Response 16" or "No Response 17" Errors: These messages on the hand controller specifically indicate a loss of communication with the azimuth (16) or altitude (17) motor control board.
    • Inability to Update Firmware: If the Celestron Firmware Manager (CFM) can update the hand control but fails when trying to update the motor control (MC), it strongly points to a problem with the board itself.
    • Erratic or Unresponsive Slewing: One or both axes may move unpredictably, fail to move at all, or continue moving after a command is stopped.
    • Poor Tracking: The telescope may fail to keep objects centered in the eyepiece during long observations, even after a successful alignment.

    Please Note: Due to the nature of electronic repairs, all replacement part sales are final. If you are unsure about the diagnosis, we recommend contacting Celestron technical support for assistance before purchase.

  • How do I know if my CPC telescope's motor board is the problem?

    The most common indicators are persistent "No Response 16" (Azimuth) or "No Response 17" (Altitude) errors displayed on your NexStar hand controller. This signifies a communication failure between the hand controller and the motor board. Before assuming the board is faulty, always verify your power supply is providing at least 12V DC at 2.5 Amps, as insufficient power is the leading cause of these errors.

    Is this the correct motor board for my Celestron CPC 1100 Deluxe HD?

    Yes, this motor board is the correct replacement part for all models in the Celestron CPC and CPC Deluxe series, including the 800, 925, and 1100 models, both standard and HD.

    Is installing the Celestron CPC motor board a difficult repair?

    For individuals with some experience in electronics or mechanical repairs, the process is generally straightforward. The motor control board is located in one of the fork arms, and access is achieved by removing the outer plastic cover. However, it involves handling sensitive electronic components. If you are not comfortable performing the repair yourself, we recommend contacting Celestron or a qualified telescope repair service.

    Will replacing the motor board fix the "No Response" error on my CPC mount?

    If the error is caused by a hardware failure in the board itself, then yes, replacing it should resolve the issue. However, "No Response" errors can also be caused by low or unstable power, faulty cables, or a bad hand controller. It is crucial to troubleshoot these other potential causes first to ensure you are replacing the correct part.

    Does this single motor board control both the altitude and azimuth motors?

    Yes. On the CPC series mounts, a single motor control board is responsible for driving both the altitude (up/down) and azimuth (left/right) motors. The error code (16 for azimuth, 17 for altitude) helps diagnose which axis is experiencing the communication loss, but the fault lies on this single, replaceable board.

    Why should I use a genuine Celestron motor board for my CPC telescope?

    Using a genuine Celestron replacement part guarantees correct fitment, electronic compatibility, and reliable communication with your telescope's other components, like the hand controller and GPS module. It ensures that the repair will restore the mount to its original factory specifications without risking damage from incompatible third-party electronics.

  • Product Type Replacement Motor Control Board
    Compatibility Celestron CPC and CPC Deluxe Series Telescopes
    Part Number NXW431
    Warranty 2-Year Warranty

    • Celestron Motor Board for CPC Series Telescopes

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  • Celestron 2-Year Limited Warranty