Suddenly having problems.
Channels giving the message "No data on transponder. Timeout reading PAT"

I saw some forums and they say it might be the tuner.
I put in a different power adapter, and it looks better except the message sometimes still comes back for a second.

Can somebody tell me what kind of adapter I need. It is a ferrari clone box.
I'm using a 12 volt / 1 amp adapter now. (Just to make sure)

I would really be upset to find out my box is dying two days after I buy a supersim.

Any people having had the same problem?
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sab unix F solo with openAtv 4.2
DM500HD with Japhar openpli 4.0