FANUC Alarm MEMO-131 — SYST Please power up again
Error- Hardware
- main board and memory
- Controllers
- R-J3iB / R-30iA
- FANUC class
- SYSTEM
FANUC MEMO-131 (“SYST Please power up again”): System data in CMOS has been broken.. First check: Turn power off and then back on.
Updated 2026-10-22 · LogrobotLM reference
Description
System data in CMOS has been broken..
Remedy
Turn power off and then back on.
Field diagnosis
The system data in CMOS memory is corrupted.
What to check
- Switch the power off and back on; check the main board battery; restore a backup if necessary.
- Note: Often follows a power failure with a low battery.
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 →