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FANUC Alarm CPMO-087 — EXT pt.valid.ext=0 (G:%d^2)

FANUC CPMO-087 (“EXT pt.valid.ext=0 (G:%d^2)”): Internal error: EXT pt.valid.ext=0 First check: The system might have been corrupted.

Updated 2026-08-29 · LogrobotLM reference

Description

Internal error: EXT pt.valid.ext=0

Remedy · Remède

The system might have been corrupted. This might have been caused by any of a number of reasons including: Incorrect loading and setup loading incompatible options, mixing software version when adding options and other memory corruption problems. The following is a list of possible remedies:

Frequently asked · Questions fréquentes

What does FANUC alarm CPMO-087 mean?
FANUC CPMO-087 (“EXT pt.valid.ext=0 (G:%d^2)”): Internal error: EXT pt.valid.ext=0
How do you troubleshoot FANUC alarm CPMO-087?
The system might have been corrupted. This might have been caused by any of a number of reasons including: Incorrect loading and setup loading incompatible options, mixing software version when adding options and other memory corruption problems. The following is a list of possible remedies:

Related codes / Codes liés

CPMO-085EXT JBF NULL PTR (G:%d^2)CPMO-086Cycle power: EXT JBFs (G:%d^2)CPMO-090Invalid MainChn ID (G: %d^2)CPMO-091Invalid JBF MainChn ID (G: %d)

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 →