Home/Fanuc/Fanuc System Alarm
  1. Asked: July 8, 2025In:

    FANUC SYSTEM A02B-0311-B520 ALARM 935

    askcnc
    askcnc Teacher
    This answer was edited.

    FANUC SYSTEM A02B-0311-B520 Alarm 935 – SRAM ECC Error Issue: Faulty mainboard caused by corrupted SRAM due to possible battery failure or component degradation. Action Taken: Mainboard successfully repaired by Techgiga Enterprises. SRAM integrity restored, and system passed all functional tests aftRead more

    FANUC SYSTEM A02B-0311-B520
    Alarm 935 – SRAM ECC Error
    Issue: Faulty mainboard caused by corrupted SRAM due to possible battery failure or component degradation.

    Action Taken:
    Mainboard successfully repaired by Techgiga Enterprises. SRAM integrity restored, and system passed all functional tests after repair. Alarm 935 cleared.

    Status: ✅ Fully operational
    Warranty 90 DAYS

    Optional: Listing Note (if reselling or listing online):

    ⚠️ This A02B-0311-B520 mainboard had previously shown Alarm 935 (SRAM ECC Error).
    ✅ The board has been professionally repaired by Techgiga Enterprises, tested, and confirmed fully functional.
    💡 SRAM and power system restored. Ideal for maintenance replacement or refurbished CNC systems.

    See less