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FANUC Alarm SVGN-115 — MP detection failed.

FANUC SVGN-115 (“MP detection failed.”): Magnet Phase detection failed. First check: Retry the operation.

Updated 2026-09-17 · LogrobotLM reference

Description

Magnet Phase detection failed.

Remedy

Retry the operation. Make sure that there is some separation (at least a few mm ), between the guntip/fixedtip and drive mechanism/open_hardstop.

Related codes

SVGN-113Gun must be open.SVGN-114Tip wear misdetection.(FIX).SVGN-116MP detection unavailable.SVGN-117Ref pos auto-setup failed.

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 →