I tried updating the PF using a USB thumb drive with only the PF6.02_7592.fw on it (no configuration file). Got the sequence of PF LED going from amber to green to red, ending up with the words "Configuring PowerFlarm" on the Butterfly 57 mm display.

Significantly, there were NO red/green flashes from the PF LED. So apparently my PF core is refusing to read the USB thumb drive.

-John, Q3

On Tuesday, April 14, 2015 at 8:08:14 PM UTC-4, John Carlyle wrote:
---snip---
One last thing I'll try tomorrow is to put only the PF firmware on the drive (no configuration file), and see if it updates then. According to the manual a firmware update happens after device configuration. Wish me luck!

-John, Q3

On Tuesday, April 14, 2015 at 7:40:10 PM UTC-4, Ron Gleason wrote:
John, I just updated my PF Brick with the same file two days ago and a second one a week ago. Previous usage was 10/14.