ER08

OBJECT UNMATCH

Fanuc · Series 0i-D/0i Mate-D Maintenance

What does ER08 mean?

This Fanuc Series 0i-D/0i Mate-D PMC alarm indicates that an unsupported function is used within the sequence program (ladder program). This means the PMC model or its firmware does not support a specific command or feature in the program.

Common Causes

  • The sequence program uses a function or command not supported by the specific PMC model.
  • The PMC's firmware version does not include support for certain advanced functions used in the program.
  • The sequence program was developed for a different, more capable PMC model.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Review the sequence program to identify any advanced or specific functions that might not be compatible with the current PMC model or its firmware version.

  2. 2

    Verify the PMC model and firmware version installed on the machine against the requirements of the sequence program.

  3. 3

    Attempt to simplify or rewrite the section of the sequence program using the unsupported function with standard PMC logic.

  4. 4

    Consult the FANUC PMC programming manual for the specific PMC series to confirm supported functions and their proper syntax.

  5. 5

    If simplifying the program is not feasible, contact FANUC support to inquire about PMC firmware updates or compatible PMC modules that support the required function.

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Verified technical data. Last updated: March 2026

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Source: Fanuc Series 0i-D/0i Mate-D Maintenance