TB9400 Installation and Operation Manual
Troubleshooting
117
© Tait International Limited November 2019
7
Troubleshooting
Check that all front and rear connectors and cables are in place, and that
power switches are on. If problems persist, contact your regional Tait
office.
Symptom
Possible Cause
Action
Alarm LED red and steady
(not flashing)
The base station is in
Offline mode
Use the web interface to put the base station in
Online mode
Alarm LED flashing
One or more faults are
present
Use the web interface to identify the faulty module
Alarm LED flashing,
display shows “Please
wait...”, fans are running
slowly
Front panel has lost
communication with
reciter 1
Check cable connections. Check front panel DB-
25 connector is pressed in fully. Use the web
interface to check reciter 1 (Monitor > Modules >
Inventory).
Power LED on front panel
is on, but keypad does not
work
Keypad is disabled
Check that the keypad is enabled in the web
interface (Configure > Base Station >
Miscellaneous)
Power LED flashing, fans
are running, but display is
blank
The base station is
downloading firmware
Use the web interface to monitor the progress of
the firmware download
No power or LEDs on
front panel
System control bus not
connected to front panel
Check cable connections
Pins bent on DB-15 plug
on front panel
Replace or repair DB-15 plug
Desired feature is not
operating
Feature licence missing
Check that you have the necessary feature
licences (refer to
and the
Help)
Feature licence present
but feature is not enabled
Use the web interface to enable the feature
Tx stuck on
Tx and Rx frequencies are
the same
Reconfigure Tx and Rx with different frequencies
The base station appears
to make random
transmissions
CWID feature enabled
No action: CWID transmissions are made
according to configuration settings
PA has low power
Channel is configured to
low power
Use the web interface to check the power settings
PA may have suffered
partial damage
Replace module and send faulty module for
servicing
