FANUC Alarm PAIN-355 — WARN Estat HVON Failed
FANUC PAIN-355 (“WARN Estat HVON Failed”): The robot sent the HVON signal to the electrostatic controller, but did not get a HVON signal back from the electrostatic unit. First check: Make sure the Electrostatic controller and the Process I/O rack have power, check the wiring between the Robot controller and the Electrostatic controller.
Updated 2026-08-29 · LogrobotLM reference
Description
The robot sent the HVON signal to the electrostatic controller, but did not get a HVON signal back from the electrostatic unit.
Remedy · Remède
Make sure the Electrostatic controller and the Process I/O rack have power, check the wiring between the Robot controller and the Electrostatic controller.
Frequently asked · Questions fréquentes
- What does FANUC alarm PAIN-355 mean?
- FANUC PAIN-355 (“WARN Estat HVON Failed”): The robot sent the HVON signal to the electrostatic controller, but did not get a HVON signal back from the electrostatic unit.
- How do you troubleshoot FANUC alarm PAIN-355?
- Make sure the Electrostatic controller and the Process I/O rack have power, check the wiring between the Robot controller and the Electrostatic controller.
Related codes / Codes liés
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. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →