We are having a similar issue, the air pressure gauge reads correctly at 6.25 bar of pressure but it's sending a signal to the press that we are...
I know this is an old thread, but we've recently seen the belt hole sensor come undone while changing the belt through no fault of the operator...
We've been running two Canon 10k's since they first came out, first ones in the state even, I'm so happy to be working with an Igen 5 now I can't...