Seagate st3320620A ERR Read App Code

[Freakazoid]

Hello.

I'm working on this station now.
Did a head change because I thought that was the problem ..
But I get the same result afterwards.
Anyone know what I can do next? (Photos attached)

[AJ2008]

either some serious error with SA (F> is never good sign...) or heads are not compatible, or PCB is not original

[AJ2008]

can you read app code manually?