FANUC Alarm SYST-197 — Multi-arm Watchdog alarm
FANUC SYST-197 (“Multi-arm Watchdog alarm”): The master robot did not receive a heartbeat message from the slave robots within the time specified by the $rkmashconf.$heartbt_tmo system variable. First check: Check and repair any broken network connections.
Updated 2026-09-17 · LogrobotLM reference
Description
The master robot did not receive a heartbeat message from the slave robots within the time specified by the $rkmashconf.$heartbt_tmo system variable.
Remedy
Check and repair any broken network connections.
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 →