LogrobotLM

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FANUC Alarm INTP-255 — PAUSE CAL_MATRIX failed

Manufacturer wording — PAUSE (%s^4, %d^5) CAL_MATRIX failed
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC INTP-255 (“PAUSE CAL_MATRIX failed”): The CAL_MATRIX instruction cannot be executed. First check: Refer to the error cause code.

Updated 2026-09-17 · LogrobotLM reference

Description

The CAL_MATRIX instruction cannot be executed.

Remedy

Refer to the error cause code. Use MENU to display the Alarm Log screen.

Related codes

INTP-253PAUSE Tool frame number mismatchINTP-254PAUSE Parameter not foundINTP-256PAUSE No data for CAL_MATRIXINTP-257PAUSE Invalid delay time

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 →