Re: Flickering blue light ?
 

what is the maximum F-IDC% you are running now? if it is not near 90%, you may need to rescale the incoming iDC so the THRES is more effective at the lower end.
Try set the IDC prescaler to x1.25

Re: Flickering blue light ?
 

Thanks Richard. I now have a better understanding of how the system
works and how the controls and hardware choices interact. I accept that
my application as it currently sits is not ideal for the HFS-3. So for the
moment I have reverted to my original restrictor/nozzle setup and using my
ECU to switch the pump relay. This allows flow to vary with IDC sufficiently
well for my purpose... namely provide some charge cooling in the absence
of an intercooler.

Fortunately, the engine can be driven quite hard without the W/M system
operating, as I discovered today when I went for a test drive and forgot to
activate the AUX output for the pump when I loaded an old tune :o:o

I shall now review what I have learned from swapping things around over
the last month, do some more testing and then decide how to configure the
system to give me the best result.

Cheers... jondee86