[Elecraft] K3 ATU problem

[Bonjour de Marc ! , F4TXR]

Hello everyone ! ,
I have a problem that suddenly happened,
my atu on my k3 does not work more correctly!
we can hear him agree, but it's like she does not find him
as a result, the ROS remains high, regardless of the bands.
Everything else seems to work well
Maybe a manipulation to do reset
Thank you all for your close cooperation,
Mark

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