Guinaz T1140V2 Guia De Instalacion página 13

SOLUCION DE PROBLEMAS.
PROBLEM
Nothing works and not even the
name card are iluminated.
There is no audio
communication or it is of bad
quality in all the dwellings.
PROBLEM SOLVING.
POSSIBLE FAULT
1M – 2M = 17Vdc
3M – 2M = 17Vdc