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FANUC Alarm INTP-488 — PAUSE RLINK communication timeout

FANUC INTP-488 (“PAUSE RLINK communication timeout”): At comm - buffer init, comm-processor is too busy. First check: Increase $RK_SYSCFG.$RMGR_PHTOUT by 100.

Updated 2026-09-17 · LogrobotLM reference

Description

At comm - buffer init, comm-processor is too busy.

Remedy

Increase $RK_SYSCFG.$RMGR_PHTOUT by 100.

Related codes

INTP-486PAUSE SLAVE is not calibratedINTP-487PAUSE No Valid SLAVE in Link PatternINTP-489PAUSE Bad Hostname or Address, GroupINTP-490PAUSE Timeout for link start

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 →