Linear M&S DMC-10RS - Manual (Page 18)

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