User-Defined Fault #1 / Fan Loss (Model Specific)

What does 35 mean?

For X5 AC Drives, this fault is user-configurable (User Flt 1), indicating a condition defined by the system integrator or user as a critical error. The specific cause depends entirely on the application's programming. For X4 AC Drives, this fault signifies a 'Fan Loss', indicating a problem with the heat sink or internal cooling fan, which could lead to overheating if unresolved.

Complete Troubleshooting Guide

1. 1

   For X5 drives: Refer to the machine's control logic or PLC program to identify the specific condition designed to trigger 'User Fault #1' and investigate associated sensors/inputs. Consult the factory or system integrator if assistance is needed.

2. 2

   For X4 drives: Inspect the heat sink and internal cooling fans for obstructions, damage, or proper operation. Ensure fan feedback signals are reaching the control board. If the fan is faulty or its control system is malfunctioning, consult the factory for replacement.