FANUC Alarm SRVO-054 — SYSTEM DSM memory error (DSM:…)
Manufacturer wording — SYSTEM DSM memory error (DSM:%d)
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC SRVO-054 (“SYSTEM DSM memory error (DSM:…)”): The DSP module program memory is defective. First check: WARNING: Before you continue to the next step, perform a complete controller backup to save all your programs and settings from memory for this robot. Likely part: Axis control card (Axis control card) +1 more.
Updated 2026-09-17 · LogrobotLM reference
Description
The DSP module program memory is defective.
Remedy
WARNING: Before you continue to the next step, perform a complete controller backup to save all your programs and settings from memory for this robot. After you complete the next step, restore the saved data to the new main CPU board if memory has been lost. Otherwise, you could injure personnel, damage equipment, or lose data. Replace the axis control card on the main CPU board.
Part to check / replace
FANUC SRVO-054 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 →