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FANUC Alarm INTP-437(%s^4, %d^5) Marker nesting too deep

FANUC INTP-437 (“(%s^4, %d^5) Marker nesting too deep”): Depth of Marker nesting is greater than 10. First check: Reduce the nesting level of Marker.

Updated 2026-08-29 · LogrobotLM reference

Description

Depth of Marker nesting is greater than 10.

Remedy · Remède

Reduce the nesting level of Marker.

Frequently asked · Questions fréquentes

What does FANUC alarm INTP-437 mean?
FANUC INTP-437 (“(%s^4, %d^5) Marker nesting too deep”): Depth of Marker nesting is greater than 10.
How do you troubleshoot FANUC alarm INTP-437?
Reduce the nesting level of Marker.

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 →