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FANUC Alarm CPMO-086 — Cycle power: EXT JBFs

Manufacturer wording — Cycle power: EXT JBFs (G:%d^2)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

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

Updated 2026-09-17 · LogrobotLM reference

Description

There are not enough EXTJBFs to continue motion.

Remedy

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

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 →