31
Trouble
Shooting
Trouble
Shooting
Description
C h e c k
Solution
Door
Phone
does not work
Check the power supply wire and the
indicator LED
Connect the wires correctly
Door Phone does not ring
when Gate Station cal
l
Door
Phone can not call
& alarm to Control Center
Check connection of the network wire.
Check the specification.
Door
Phone
shows no image
Reset all the IPs
Connect the network wire correctly and
set the specification correctly.
Check the specification of network
Detectors cannot alarm
Check the defence zones.
Check the connection of the detectors.
Connect all the sensors correctly
and reset door phones
Input the room numbers correctly
Door Phones cannot
call each other
Check if input correct number
Check the wire connection
Check the volume
Check if it is in no-disturb mode
Connect the network wire correctly,
reset the ring tones and quit the No-
disturb mode