4.1 Troubleshooting
4.1.1 Installation
PROBLEM PROBABLE CAUSE SOLUTION
Extension does not operate. Bad extension card.
• Exchange the card for a known working
one.
Bad connection between
the PBX and telephone.
• Take the telephone and plug it into the
same extension port using a short
telephone cord. If the telephone works,
then
the
connection
between the PBX and
the telephone must be repaired.
A telephone with an A-A1
relay is connected.
• Use a 2-wire cord.
• Set the A-A1
relay switch of the telephone
to the "OUT" or "OFF" position.
Bad telephone.
• Take the telephone and plug it into
another extension port that is working. If
the telephone does not work, replace the
telephone.
Wrong type of PSU.
• Replace the PSU with the appropriate
type.
An unsupported extension
card (SLC16 or MSLC16
card) is installed.
• Replace
the
optional
service card with an
appropriate one (ESLC16 or EMSLC16
card).
You cannot make/receive
outside calls.
An unsupported trunk card
(LCOT4, LCOT8, or
LCOT16 card) is installed.
• Replace the optional
service card with an
appropriate one (ELCOT16 card).
The PBX does not operate
properly.
• Press the Reset Button (refer to
"4.1.4 Using the Reset Button").
• Turn
off the
power switch, and then turn it
back on.
• Turn off the power switch, and then
unplug the PBX. After 5 minutes, plug the
PBX back in, and turn the power switch
back on.
Noise on external paging. Induced noise on the wire
between the PBX and the
amplifier.
• Use a shielded cable as the connection
wire between the PBX and amplifier. A
short shielded cable is recommended.
Distorted external music. Excessive input level from
external music source.
• Decrease the output level of the external
music source by
using the volume control
on the music source.
316 Installation Manual
4.1.1 Installation
To Next Page
Loading...
