FANUC Alarm MARL-046 — WARN … Unknown AFD Error
Manufacturer wording — WARN %s Unknown AFD Error
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC MARL-046 (“WARN … Unknown AFD Error”): An error has occurred. First check: Refer to Pushcorp's FCU1000 Controller Manual for detailed info on the error.
Updated 2026-09-17 · LogrobotLM reference
Description
An error has occurred. THIS NEEDS TO BE MORE SPECIFIC.
Remedy
Refer to Pushcorp's FCU1000 Controller Manual for detailed info on the error. If you are unable to resolve the error, contact the FANUC Robotics Hotline. The following errors might be assigned to MARL-046: 1001 "Unknown command" 1
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 →