Guinaz G3254 Guia De Instalacion página 24

SOLUCION DE PROBLEMAS.
PROBLEM
Nothing works and not even
the name cards are
illuminated.
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