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FANUC Alarm SYST-202 — Incorrect $rmt_master on Slave robot

FANUC SYST-202 (“Incorrect $rmt_master on Slave robot”): One or more of the specified slave robots does not accept the command from the master robot because of $rmt_master system variable value. First check: Verify that the system variable $RMT_MASTER is set to 4 on all slave robots.

Updated 2026-09-17 · LogrobotLM reference

Description

One or more of the specified slave robots does not accept the command from the master robot because of $rmt_master system variable value.

Remedy

Verify that the system variable $RMT_MASTER is set to 4 on all slave robots.

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 →