RC Receiver does not work

Sometimes the elimination of radio problems can be very easy.
The cause is sometimes “animal nature” as you can see in the picture.
Funkempfaenger

Here ants have disturbed the Massoth Bus by being run through the contacts.
The voltage meant Unfortunately for the ants to death.
Since the ants are still at the contacts, thereby the signal is still disturbed.
After cleaning the contacts, everything should work again.