FANUC Alarm FRCE-155 — F/S SLC2 external parity error (F:%d^1)
FANUC FRCE-155 (“F/S SLC2 external parity error (F:%d^1)”): A parity error occurred on the sensor board. First check: 1. Move the robot to a safe pose. Likely part: Sensor board (Sensor interface board).
Updated 2026-08-29 · LogrobotLM reference
Description
A parity error occurred on the sensor board.
Remedy · Remède
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 · Pièce à contrôler / remplacer
FANUC FRCE-155 points to the hardware below — start here before ordering. · FRCE-155 met en cause l'organe ci-dessous : commencez par là.
Tap a part for every code that points to it — and verify the exact variant for your controller before ordering. · Touchez une pièce pour tous les codes qui la citent ; vérifiez la variante exacte avant commande.
Frequently asked · Questions fréquentes
- What does FANUC alarm FRCE-155 mean?
- FANUC FRCE-155 (“F/S SLC2 external parity error (F:%d^1)”): A parity error occurred on the sensor board.
- How do you troubleshoot FANUC alarm FRCE-155?
- 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.
- Which part is involved in FANUC FRCE-155?
- FRCE-155 points to Sensor board (Sensor interface board). Confirm the real cause against the robot backup before replacing a part.
Related codes / Codes liés
Same hardware involved / Même matériel en cause
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. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →