While you wait for answers, we may have found some information which could help you.
Success
Message
No power?
Code not working?
Wont turn on and what the flip flop?
How can I get read of beeping sound from my radio in?
How can I mend my old fake airpods?
My Sagemcom DTR 6400 has di3d?
Broken aerial?
DAB to DAB+?
No volume?
How to fix handset problems ( intercom ) and access control?
Charger for MP3 Classic Model: FIR - 410?
How do I fix liquid damage?