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  1. #11
    Quote Originally Posted by AlexDoran View Post
    Ah man bad luck! Not sure about a Solid Red LED...... This is from the manual:

    12. Protection Functions

    To improve reliability, the drive incorporates some built-in protection functions. The AM882 uses
    one RED LED to indicate what protection has been activated. The periodic time of RED is 5 s
    (seconds), and how many times the RED turns on indicates what protection has been activated.
    Because only one protection can be displayed by RED LED, so the drive will decide what error to
    display according to their priorities. See the following Protection Indications table for displaying
    priorities.

    Over-current Protection

    Over-current protection will be activated when continuous current exceeds the limit or in case of
    short circuit between motor coils or between motor coil and ground, and RED LED will turn on once
    within each periodic time (5 s).

    Over-voltage Protection

    When power supply voltage exceeds 90±1 VDC, protection will be activated and RED LED will
    turn on twice within each periodic time (5 s).

    Phase Error Protection

    Motor power lines wrong & not connected will activate this protection. RED LED will turn on four
    times within each periodic time (5 s).

    Sensorless Stall Protection

    The AM882 can detect the motor stall status using if motor shaft speed is above 300RPM. When the
    detection is active, RED LED will blink five times within each periodic time (5s).
    Attention: When above protections are active, the motor shaft will be free or the LED will blink.

    Hope you dont have to replace it
    Yeah my flashing red lights were the nema phases wired wrong which was nice it told me, going to go back to test the drivers in a minute one by one, forgot I've got a 24v PSU which will power the AM882's up.
    Last edited by Desertboy; 08-11-2017 at 05:42 PM.
    http://www.mycncuk.com/threads/10880...60cm-work-area My first CNC build WIP 120cm*80cm

    If you didn't buy it from China the company you bought it from did ;)

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