Heidenhain: Itnc 530 Error List

Error Messages

    • Error 301: I/O error: Input/output device error.
    • Error 302: Communication error: Communication error with external devices.

    He re-read the list’s footnote for 4623: Note: Intermittent signal may indicate RF interference or ground loop.

    • Check lubrication system. Dry ways cause massive friction.
    • Incrementally jog the axis. If it moves roughly, call service.
    • Check the motor holding brake (24V supply).
    • Temporarily reduce MP 2100 (Maximum following error) to test, but do not run production.
    • Cause: Emergency stop active, enable relay off, safety circuit open, or servo amplifier fault.
    • Fix: Release E-stop, verify safety interlocks, check cabinet fuses and enable relay, clear amplifier faults and power-cycle if needed.