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FANUC Alarm ACAL-087 — Joint rotation is small

Manufacturer wording — Joint[%s^1] rotation is small
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC ACAL-087 (“Joint rotation is small”): The joint angle motion is too small. First check: Modify calibration points to provide more motion on the specified axis.

Updated 2026-09-17 · LogrobotLM reference

Description

The joint angle motion is too small.

Remedy

Modify calibration points to provide more motion on the specified axis. Or, disable calibration of one or more joints.

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 →