FANUC Alarm SYST-051 — PAUSE SYTG overrun: … … … … …
Manufacturer wording — PAUSE SYTG overrun: %d %d %x %d %d
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC SYST-051 (“PAUSE SYTG overrun: … … … … …”): Excessive time iin trigger routines First number indicates event routine (1) or scan routine (2). First check: Event or scan routine need to be made more efficient, scan rate reduced, or system variable values increased to permit more CPU usage.
Updated 2026-09-17 · LogrobotLM reference
Description
Excessive time iin trigger routines First number indicates event routine (1) or scan routine (2). Second number indicates individual overrrun (1) or excessive cumative CPU use (2). Third number: event number(hexadecimal) or scan routine address Fourth number: limit (microseconds or 100ths of one pct) Fifth number: time used (microseconds or 100ths of one pct)
Remedy
Event or scan routine need to be made more efficient, scan rate reduced, or system variable values increased to permit more CPU usage.
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 →