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FANUC Alarm SYST-025 — WARN Teach Pendant is different type

Warning
Hardware
teach pendant
Controllers
R-J3iB / R-30iA
FANUC class
WARN
Hardware family
FANUC teach pendant, main board, CMOS and controller battery alarms

FANUC SYST-025 (“WARN Teach Pendant is different type”): The type of teach pendant being connected, is different from the one that was disconnected. First check: Connect the same type of teach pendant as disconnected.

Updated 2026-10-22 · LogrobotLM reference

Description

The type of teach pendant being connected, is different from the one that was disconnected.

Remedy

Connect the same type of teach pendant as disconnected.

Field diagnosis

The reconnected teach pendant is not the same type as the one that was disconnected.

What to check

  • Reconnect a teach pendant of the same type.
  • Note: On cabinets with hot-plug connection, a teach pendant from another generation is not accepted.

Related codes

SYST-023SYSTEM Teach Pendant communication errorSRVO-105SERVO Door open or E.StopSYST-024WARN PNSTROBE is OFF. Cannot start execSYST-026WARN System normal power upSYST-027PAUSE HOT start failed (Error:…)

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 →