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