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Asked: April 7, 20242024-04-07T11:44:08+00:00 2024-04-07T11:44:08+00:00In: Fanuc SPM Alarm

Unlocking Tips to Fix SP9011 SSPA:11 Overvolt Power Circuit Errors

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How to fix the SP9011 SSPA:11 Overvolt Power Circuit issue with ease. Our straightforward guide provides simple steps to diagnose and resolve this problem, ensuring your equipment runs smoothly and safely.

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    askcnc Teacher
    2024-04-07T11:50:27+00:00Added an answer on April 7, 2024 at 11:50 am

    SP9011 SSPA:11 Overvolt Power Circuit An overvoltage of the DC link section of the power supply (PS) has been detected, resulting in a power supply alarm indication of 7. This indicates a power supply selection error, where the maximum output specification of the power supply (PS) has been exceeded.Read more

    SP9011 SSPA:11 Overvolt Power Circuit

    An overvoltage of the DC link section of the power supply (PS) has been detected, resulting in a power supply alarm indication of 7. This indicates a power supply selection error, where the maximum output specification of the power supply (PS) has been exceeded.

    Possible Solutions

    1. Check the selected power supply (PS) to ensure it is suitable for the system requirements.
    2. Check the input power voltage and monitor any changes during motor deceleration. If the voltage exceeds 253 VAC (for the 200-V system) or 530 VAC (for the 400-V system), it is recommended to improve the power supply impedance.

    Amplifier Indication

    The amplifier indication 11 refers to the beta amplifier (drive) of the system. This indicates a specific issue related to the amplifier’s operation.

    The alpha power amplifier indication 07 points to another specific issue related to the power amplifier. Both indications may be related to the overvolt power circuit problem.

    It is recommended to consult the system manual or contact technical support for further assistance in troubleshooting and resolving the issues with the power circuit and amplifiers.

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