FANUC Alarm SRVO-144 — SERVO LVAL(INV) alarm

Manufacturer wording — SERVO LVAL(INV) alarm (G:%d A:%d)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC SRVO-144 (“SERVO LVAL(INV) alarm”): The DC voltage of the main circuit power supply is excessively low. First check: Refer to SRVO-047.

Updated 2026-09-17 · LogrobotLM reference

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 →