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FANUC Alarm FRCE-157 — F/S force data calc. overflow (F:…)

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

FANUC FRCE-157 (“F/S force data calc. overflow (F:…)”): Software internal error. First check: 1. Move the robot to a safe pose. Likely part: Sensor board (Sensor interface board).

Updated 2026-09-17 · LogrobotLM reference

Description

Software internal error.

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 board.

Part to check / replace

FANUC FRCE-157 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

FRCE-155F/S SLC2 external parity error (F:…)FRCE-156F/S head data request error (F:…)FRCE-158F/S gauge data overflow (F:…)FRCE-159F/S sensor limit overflow (F:…)

Same hardware involved

FRCE-152Sensor boardFRCE-153Sensor boardFRCE-154Sensor boardFRCE-163Sensor board

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 →