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FANUC Alarm FRCE-215 — Force calc. timeout error (F:…)

Manufacturer wording — Force calc. timeout error (F:%d^1)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC FRCE-215 (“Force calc. timeout error (F:…)”): An internal software error has occurred. First check: 1. Turn the controller OFF, then ON again. Likely part: Main board (Main CPU board) +1 more.

Updated 2026-09-17 · LogrobotLM reference

Description

An internal software error has occurred.

Remedy

1. Turn the controller OFF, then ON again. If this alarm occurs again, go to the next step. 2. Replace the force control board. If this alarm occurs again, go to the next step. 3. Replace the main board.

Part to check / replace

FANUC FRCE-215 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-211Servo error occurred (F:…)FRCE-212Servo is not readyFRCE-216X Force Limit (F:…)FRCE-217Y Force Limit (F:…)

Same hardware involved

FRCE-161Force control boardSRVO-001Main boardSRVO-021Main boardSRVO-022Main 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 →