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FANUC Alarm PRIO-095 — Overload …

Error
Hardware
I/O Link and process I/O
Controllers
R-30iA / R-30iB
FANUC class
STOP

Manufacturer wording — Overload %s
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC PRIO-095 (“Overload …”): The DO of the specified connector might be grounded. First check: Check the connection of the DO of the specified connector.

Updated 2026-10-22 · LogrobotLM reference

Description

The DO of the specified connector might be grounded.

Remedy

Check the connection of the DO of the specified connector.

Field diagnosis

An output on the designated connector is probably shorted to ground.

What to check

  • Check the wiring of the output on this connector; if the wiring is sound, full backup, then replacement of the main board.
  • Note: On R-30iB Mate, the I/O is on the main board: a burnt-out DO can cost you the board.

Related codes

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 →