[Elecraft] KAT100 won't TUNE

[r opdebeke]

Hi Group,

I just build the KAT100-2 , after finishing the whole kit , I have the 
following problem.
IT JUST WON't TUNE ..

I Did inspect all the resistance tests twice .
Checked all the components and the solderpoints.

Rechecked the cable PC <--> k2 <--> KAT100.

Aligning and test (P. 27 ) all OK
SWR bridge Null Adjustment just Fine .
Power Calibration all OK.

so , the K2 is communicating to the KAT100 .
The leds are responding to the ANT switch ( switching from ANT1 or ANT2 )
Also the HI and LO leds work.

I removed the KPA100 from the bare K2 (it has an KIO) and did the same test, 
nut NO Tuning !!

Actually non of the SWR LEDS are lighting .

Where do I start signaltracing and HOW . ??

btw K2 5315, (2.04P 1.09 ) , KAT100 ( 1.05 )

btw communication from PC to K2 is OK also the aux-comm of the KPA100 is OK.

Roger
OE6MSF

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