Troubleshooting - Linear M&S DMC-10DS Installation And Operation Instructions Manual

Troubleshooting

SYMPTOM
No hub status
indicators lit
Hub station status
indicator not lit on
an installed station
Expansion hub
status indicator not
lit (with expansion
hub installed)
Hum or buzz in audio
Door station sounds
wrong chime
Stations came out
of constant modes
Station will not
go into Privacy
Mute Mode
Station will not go
into Do-not-disturb
Mode
Station will not
activate door release
Cannot monitor
a station in
Listen Mode
Low or no intercom
volume
16
CAUSE
No power to hub
Wiring error
Wiring error or
no power to
expansion hub
Electrical interference
Door station wired to
wrong hub connector
Power interruption
at hub
Hub mute dipswitch
for station set to OFF
Hub mute dipswitch
for station set to OFF
Hub door release
dipswitch for
station set to OFF
Station to monitor
set to Privacy
Mute Mode or
Do-not-disturb Mode
Station's volume
control set low or off
SOLUTION
Check power
supply input &
output voltage
Check Cat-5
wiring, redo wiring
if necessary
Check Cat-5 wiring to
expansion hub, redo
wiring if necessary,
check expansion
hub power supply
Check for station
Cat-5 wiring near
AC power wires or
near lamp dimmers
Wire door station
to a different hub
connector for the
correct chime
Reset stations into
constant modes
Set hub mute
dipswitch for
station to ON
Set hub mute
dipswitch for
station to ON
Set hub door
release dipswitch
for station to ON
Take station
out of Privacy
Mute Mode or
Do-not-disturb Mode
by pressing MUTE
Reset station's
volume control