FANUC Alarm CPMO-086 — Cycle power: EXT JBFs (G:%d^2)

FANUC CPMO-086 (“Cycle power: EXT JBFs (G:%d^2)”): There are not enough EXTJBFs to continue motion. First check: Cycle power on the controller to increase number of EXT JBFs automatically.

Updated 2026-08-29 · LogrobotLM reference

Description

There are not enough EXTJBFs to continue motion.

Remedy · Remède

Cycle power on the controller to increase number of EXT JBFs automatically. Alternatively, manually adjust $cp_paramgrp[].$ext_num_jbf and cycle power to take effect.

Frequently asked · Questions fréquentes

What does FANUC alarm CPMO-086 mean?: FANUC CPMO-086 (“Cycle power: EXT JBFs (G:%d^2)”): There are not enough EXTJBFs to continue motion.
How do you troubleshoot FANUC alarm CPMO-086?: Cycle power on the controller to increase number of EXT JBFs automatically. Alternatively, manually adjust $cp_paramgrp[].$ext_num_jbf and cycle power to take effect.

Related codes / Codes liés

CPMO-084EXT JBFSET NULL PTR (G:%d^2)CPMO-085EXT JBF NULL PTR (G:%d^2)CPMO-087EXT pt.valid.ext=0 (G:%d^2)CPMO-090Invalid MainChn ID (G: %d^2)

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 →