User Guide

Issue 2 - 59 -
Troubleshooting
Troubleshooting
Trouble
Possible Causes
Action
The Blue LED “Heartbeat”
is not functioning.
AC Cord or Power adaptor
is not working correctly or
not plugged in correctly.
Remove all of the plugs and
re-plug them back in.
Sluggish Performance at
Key Telephone –
 Press Speakerphone
several time with no
reaction
 Lift/Replace Handset
with no reaction
Cable Pairs connect to one
or more KSU digital ports
without a telephone
connected
 Remote Connection of
un-terminated cable pair
at KSU port
 Install telephones at all
locations wired
Telephone LCD Shows:
“No Link to KSU”
Cable Pairs Connected to
one or more KSU digital
ports without telephone
installed
 Remove connection of
un-terminated cable
pairs at the KSU.
 Install telephone at all
locations which are
wired.
Telephone reports:
“Register Fail” or cycles
between “Register Fail”
and “Initializing, Please
Wait!”
Cable pairs connected to
one or more KSU digital
ports without a telephone
connected.
 Remove connection of
un-terminated cable
pairs at the KSU.
 Install telephone at all
locations which are
wired.
One or more extensions
are experiencing static or
distortion.
Not all extensions are
punched down.
 Remove connection of
un-terminated cable
pairs at the KSU.
 Install telephone at all
locations which are
wired.