I also had a number of problems with my RXI-F1. It was crackling and bleeding intermittently and when tapped. Sometimes the whole audio of channel one decreased in volume for some seconds and then increased back. I placed this matter at Raidenfader in mid of June and while there was always a delay to some good extent between mails Van cared and was really trying to help. For several reasons shipping back to the US made no sense and he finally offered me a new unit as replacement. This was very cool and I happily paid another $25 for shipment, this happened at the end of July. Since then I neither got a new fader nor any word although I consequently sent out reminders and I have little hope left that there will be any progress. I also tried to repair my faulty unit in the mean time. The innofader is raised quite a bit due to the leads for the calibration button and power, so the soldering contacts do not have a lot of flesh in the pcb-eyelets and I thought resoldering would do the trick. Unfortunately this and also rebending the fader noses did not help at all and only made the problem worse. If you nevertheless want to try to desolder be careful, use wick and little heat - the eyelets are fragile.
