Power Plant Regenerator Dead?

I am a total newbie here, but I am wondering if there is any repairing the Power Plant Regenerator that I have. It makes a clicking sound that stops after a few minutes, but the thd % is not being reduced. It actually looks like it is increasing after passing through the unit. Would this be possible to fix by sending back for service? If so, any idea on the repair cost? Thanks in advance.

Absolutely. We repair these should they go bad. Contact support@psaudio.com and we’ll get you an RMA and an estimate for the repair cost.