User's Manual

TROUBLESHOOTING
Extension unit
LED Description Solution
off No power Check that the Extension units properly connected to a power outlet and that
power is on.
green Unit locked to base Normal operation, the Unit locked to base.
slow flash green Unit in call Normal operation, the unit in call
slow flash between
green and red
Unit registered, but not
locked to base. LED is
initially green, so that at
startup it is immediately
visible, that the EU is
registered (important for
the deregistration
procedure).
Check that both units (PABX and Extension) are properly con-nected to power
outlet and switched on.Decrease the distance between the units by relocating the
Base unit to a telephone socket closer to the Extension unit.
red Unit not registered. (In
this state the unit will be
pulsating the line voltage
to indicate it wants to
register to a base)
Please install the extension unit
fast flash red for 5
seconds
The unit could not be
registered, because there
are already 4 active PPs
registered
You will need to install an additional PABX unit and register the Extension unit
to the new PABX unit