Hi Mark, You most likely have already done this but just in case not; reset the radio to factory default, load a good config file from past/reconfigure settings manually and see if that make any good.
I am a long time ham from canada here, brand new member to the club and this is my first email to the club group/forum, so a sincere Hi everyone! 73, Prem W5/VE6XMX Sent from my iPhone > On Jan 20, 2026, at 8:37 AM, Fox Danger Piacenti via BVARC <[email protected]> > wrote: > > Hi Mark, > > What transmission power are you running FT8 at? FT8 screams hard-- it'll max > out whatever amount you give it, unlike using voice and some other modes. So > issues with RFI/reflection will be accentuated. Does it work with lower > transmission powers? Does it happen on all bands? > > Best, > > Fox > >> On 1/20/26 07:40, Mark Triplett via BVARC wrote: >> Greetings everyone! New member and a one-year ham here! >> >> I have a used Icom 7300, about 5 years old, that is experiencing random >> reboots when using the digital modes such sa FT8. With alll standard radio >> modes, mainly phone, there are no problems at all. When using FT8, and only >> during transmission, it will randomly do a hard reboot. The radio worked >> flawlessly for about 4-6 months after purchase and all this began. >> >> I’ve used different USB cables, added bead ferrites, and most recently, I >> used some of the larger ring type ferrites, like the FT240-3, all with the >> same type of results. Most times it will work as expected for maybe an hour >> then start the reboots. Sometimes it just won’t work at all and immediately >> reboot on the first transmission. I’ve also used different computers and >> different operating systems. I’ve seemed to have isolated it to the radio >> itself. And most likely the USB connector. >> >> I download the service manual and determined that going in to reflow solder >> on the connector for me is a no-go. The buried surface surface mount >> connector is beyond what I’d care to work on. I’m not really interested in >> learning how to rework with a air station on something like this. >> >> Before I box it up and ship back to Icom for an expensive repair, and it’s >> of course, it’s out of warranty, does anyone have any other things I can >> check before I do? I fear that’s my only choice. >> >> Thanks! >> >> Mark Triplett >> K3MBC >> ________________________________________________ >> Brazos Valley Amateur Radio Club >> >> BVARC mailing list >> [email protected] >> http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org >> Publicly available archives are available here: >> https://www.mail-archive.com/[email protected]/ > > ________________________________________________ > Brazos Valley Amateur Radio Club > > BVARC mailing list > [email protected] > http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org > Publicly available archives are available here: > https://www.mail-archive.com/[email protected]/ ________________________________________________ Brazos Valley Amateur Radio Club BVARC mailing list [email protected] http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org Publicly available archives are available here: https://www.mail-archive.com/[email protected]/
