ABB VFD: Running with a Damaged Module – The Safe Way to Restore Operation What happens when your ABB variable frequency drive, running multiple parallel inverter modules, suffers a module failure—yet the equipment must stay operational? In this video, we reveal the safe method to run your drive with reduced inverter module numbers while ensuring stability. Here's what you need to know: - Safety first – Isolate the drive, allow the discharge period, and remove the damaged module. - Cooling check