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FANUC Alarm IBSS-507 — Bad PDD Type at ….…

Manufacturer wording — Bad PDD Type(%x) at %d.%d
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC IBSS-507 (“Bad PDD Type at ….…”): An internal system error occurred. First check: Document the events that led to the error, and call your FANUC or FANUC Robotics technical service representative.

Updated 2026-09-17 · LogrobotLM reference

Description

An internal system error occurred.

Remedy

Document the events that led to the error, and call your FANUC or FANUC Robotics technical service representative.

Related codes

IBSS-505Loading IBPXC.SV (need 1 minute)IBSS-506Failed to optimize I/O transferIBSS-510Print: Internal errorIBSS-511Printing of config. devices

Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. How this reference is built →