FANUC Alarm CPMO-139 — Can't maintain CRval L:%d^5
FANUC CPMO-139 (“Can't maintain CRval L:%d^5”): The specified CR value was too big to achieve since the actual CR value is limited by either CNT100 corner path or half-distance of involved segments. First check: Use a higher programmed speed, or use ACCxx, xx<100.
Updated 2026-08-29 · LogrobotLM reference
Description
The specified CR value was too big to achieve since the actual CR value is limited by either CNT100 corner path or half-distance of involved segments. This is only a warning message.
Remedy · Remède
Use a higher programmed speed, or use ACCxx, xx<100.
Frequently asked · Questions fréquentes
- What does FANUC alarm CPMO-139 mean?
- FANUC CPMO-139 (“Can't maintain CRval L:%d^5”): The specified CR value was too big to achieve since the actual CR value is limited by either CNT100 corner path or half-distance of involved segments. This is only a warning message.
- How do you troubleshoot FANUC alarm CPMO-139?
- Use a higher programmed speed, or use ACCxx, xx<100.
Related codes / Codes liés
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 →