FANUC Alarm SRVO-143 — SERVO PSFLAL(CNV) alarm

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

FANUC SRVO-143 (“SERVO PSFLAL(CNV) alarm”): Input power applied to the amplifier has been lost. First check: Check the connections and cables of the input power.

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 →