FLEX-6500 SW Version 2.2.8.40 not transmitting but receiving just fine

JG

My FLEX-6500 is not transmitting. It receives just fine. 

I installed and reinstalled SW Version 2.2.8.40 on my Maestro and my computer. 

I connected my Bird Electronic's Thruline to make sure I was not transmitting. 
Re-read the User Manuel; checked everything I could think of, short of opening the case; including a reset to factory setting; all for not. 
What have I missed or doing wrong?

Ken - NM9P

A few things to check: (Which you probably already have checked) 1) is Transmit inhibit engaged? When you key up or hit MOX, does the little warning box in the lower right part of the panel say that tx is inhibited? The inhibit button is in the Setup>Radio tabs. 2) do you have Transmit power restricted in the Setup>Radio>TX tab? (A different setting from tx inhibit.) 3) do you accidentally have the TX output set to XVTR? 4) is the power slider turned to the proper power level? 5) does it send anything when you hit the TUNE button? 6) do you have your Transmit hi/lo Filter Settings set appropriately? If these simple tests fail, I suggest opening a help desk ticket. Ken - NM9P

WX7Y

Jean,
One more things to check, Is  ANY part of your transmit bandwidth out of the Amateur band?

Have you tried unplugging the power for about 30 seconds and Plug it back it and turn it on?

If this doesn't help you will probably need to do a hard factory reset.

Hope one or the other Idea's works for you 

73's
Bret WX7Y