EN-V233
– 5020 – AA Installation and use of built-in Visio call panel 02-0154-EN
Page 10 / 12
diagnosis in the event of a fault
What is the fault?
What is causing the
fault?
How to fix the fault!
Message on the display:
«
Communication
error
»
Incorrect cabling on the
D+ and/or D- terminals
- Check cabling between the 3G
unit, the call panel and the
central unit: D+ and or D-.
- The display should show the
welcome message.
Keys and display
not backlit
- Incorrect cabling on the
+ and/or - terminals
- Equipment fault
- Check cabling on the + and/or -
terminals
- Contact our technical support
department
Keys
backlit
but not
display (or the reverse)
Contact our technical support department
The
LCD
screen does not
turn on
Incorrect cabling on the +
and/or - terminals
Check cabling between the
central unit and the call panel: + /
-
When swiping a badge, the
green LED on the reader
lights up but the
door does
not open
.
- Relay on the central unit
not working.
- Cable to the door
- Check if relay sticks
- Check cabling between the
central unit and the door
If the
call panel
says "Call
in progress" but the
resident cannot hear the
visitor
Incorrect cabling on the
A+ and/or A- terminals
Check A+ / A- cabling
The
call panel
says
"Unable to call" with no dial
tone
Telephone network not
available
Check cabling to the GSM unit
and LED levels
Contact our technical support department (+33 (0)251 655 529)
