Suddenly, No Power Output (CW, FT8, RTTY)

kg5udale . · July 2019

I'm using a Flex-6600M, FLDIGI, SmartSDR DAX and CAT, N1MM+, and Windows 10. All using the latest versions.

During last weekend's NAQP RTTY, I twice experienced no power output during transmit. Both events were on the same sliceA. On the first event, I tried restarting DAX, CAT, N1MM, FLDIGI. Restarting each netted 0 watts out. I rebooted the radio. Back to full (65w) power.

A few hours later, I got 0 watts again. This time, I tried just changing the slice to another band then back to the original band. That seemed to work.

I've had 0 watts happen once in FT8 mode and and once in CW mode a few weeks ago, too. But, I think back then I just shut everything down and restarted the PC.

Can anyone offer any insight why this may be happening? I'd hate to have to re-organize the desk to put the wattmeters right in front of my face.

Ray Gustafson WB0HHM · July 2019

I am having same issue , but haven’t tried your method for getting it back , I turned 6600 off and back on To get back , will try opening another slice next time

Eric Gruff · July 2019

I had the same problem when changing bands. I had reload the generic SO2R profile, then fiddle with the settings to get back to RTTY and then save it as SO2R_RTTY (just my name for a different SO2R profile). It happened more than once and both on the Maestro and SSDR. It's clearly a bug in the radio control, but I could not figure out where.

I checked all settings - power out, tune power out, TX filters (very obvious for RTTY), etc. All seemed fine.

I know this isn't terribly helpful for diagnosis, but I wanted Flex to know it's not just you. I spent about 30-45 minutes getting a once-working setup back online for the contest.

Suddenly, No Power Output (CW, FT8, RTTY)

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