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I have a Grothe Mistral 600 Call system comprising 1 transmitter and 2 receiver units
Submitted on 21-4-2020 at 18:35 in forum Grothe Door Bell Report abuse
Both receiver units have stopped working
I have tried to check ring tones by pressing T2 but nothing happens. I have tried pressing T1 to reset but the green LED does not come on.
This is the same for both receivers.
Batteries in transmitter and receivers are new.
What can be wrong
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