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FANUC Alarm FRCE-382 — F/S SLC2 error(BITERR) (F:…)

Manufacturer wording — F/S SLC2 error(BITERR) (F:%d^1)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC FRCE-382 (“F/S SLC2 error(BITERR) (F:…)”): Sensor board initialization failed. First check: 1. Turn the controller OFF, then ON again. Likely part: Sensor board (Sensor interface board).

Updated 2026-09-17 · LogrobotLM reference

Description

Sensor board initialization failed.

Remedy

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

Part to check / replace

FANUC FRCE-382 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-380Program copy failed(ROM->RAM) (F:…)FRCE-381F/S SLC2 error(STATERR) (F:…)FRCE-412Unestablished F/C data (F:…)FRCE-413Established F/C data at hot start (F:…)

Same hardware involved

FRCE-152Sensor boardFRCE-153Sensor boardFRCE-154Sensor boardFRCE-155Sensor 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 →