FANUC Alarm SRVO-350 — DCS CPU alarm …,…
Manufacturer wording — DCS CPU alarm %x,%x
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC SRVO-350 (“DCS CPU alarm …,…”): An error occurred in the RAM self test. First check: Replace the CPU card or main board. Likely part: Main board (Main CPU board) +1 more.
Updated 2026-09-17 · LogrobotLM reference
Description
An error occurred in the RAM self test.
Remedy
Replace the CPU card or main board.
Part to check / replace
FANUC SRVO-350 points to the hardware below — start here before ordering.
Tap a part for every code that points to it — and verify the exact variant for your controller before ordering.
Related codes
Same hardware involved
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 →