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FANUC Alarm FRCE-158 — F/S gauge data overflow (F:…)

Manufacturer wording — F/S gauge data overflow (F:%d^1)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC FRCE-158 (“F/S gauge data overflow (F:…)”): An output error occurred from the sensor head. First check: 1. Move the robot to a safe pose. Likely part: Sensor head (Sensor head).

Updated 2026-09-17 · LogrobotLM reference

Description

An output error occurred from the sensor head.

Remedy

1. Move the robot to a safe pose. 2. Turn the controller OFF, then ON again. If this alarm occurs again, go to the next step. 3. Replace the sensor head.

Part to check / replace

FANUC FRCE-158 points to the hardware below — start here before ordering.

Tap a part for every code that points to it — and verify the exact variant for your controller before ordering.

Related codes

Same hardware involved

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 →