Tuner problem on vusolo4k

hello i have a problem on my vu solo4k, if I connect the cable to the tuner SAT1 does not come to me if I connect it to the signal while the signal tunersat2 I 99x100! I set up the tuner in this way:
easy way
Disecq a \ b \ c \ d
hotbird 13
astra 19.2
send voltage at 22khz you
all other items not
I have a double 13 to 19.2 lnb the strange thing is that by connecting it to the tuner SAT2 the display Tuner A and B is usually the tuner!
how can I check if it is a problem of the tuner? image openatv 5.3