Hardware Fault

What does oFx mean?

A general hardware fault has occurred within the drive. This category includes faults such as oFx, indicating an internal component malfunction and requiring internal diagnosis.

Click steps to track your progress.

1. 1

   Measure incoming AC supply voltage at the drive's L1, L2, L3 input terminals and compare against the specified nominal voltage range.

2. 2

   Inspect all power (input, motor) and control wiring connections to the drive for proper torque, signs of corrosion, or physical damage.

3. 3

   Verify drive cooling fans are operational and ensure air circulation paths, including intake filters and exhaust vents, are clear of obstructions.

4. 4

   Disconnect the motor (U, V, W) from the drive's output terminals and re-energize the drive to determine if the oFx fault persists, isolating potential motor/cable issues.