Bob,

The '--' in the ATU menu means that the KAT2 firmware is not being seen by the K2 MCU.

Take a good look at the point where the control cable is attached to the KAT2 control board - look for broken wires.
Do the same for the header that plugs to K2 Control Board P4.

Make certain the header which plugs into K2 Control Board P4 is installed correctly - the green wire should be at the top.

73,
Don W3FPR

  tuner was working fine yesterday and earlier today, and then after one
press of the "Tune" button on the front panel it is no longer functional.
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