Users Manual Part 2

Chapter 13
MTS Troubleshooting
13.1
Site Controller Troubleshooting
The built-in system troubleshooting intelligence is mainly accessed through the Site Controller and
Base Radio controller(s) LEDs, Man-Machine Interface (MMI) status and fault indications.
13.1.1
Site Controller Fault Indications
This section provides fault indications for the Site Controller.
Some indications list several possible failures along with corresponding corrective actions. If a failure is
isolated to the Site Controller, the suspected module should be replaced with a new one (For a list of
available FRUs, see Field Replaceable Units (FRUs) on page 478. This restores the system to normal
operation as quickly as possible.
Suspected Site Controllers should be shipped to the appropriate Motorola Solutions repair depot for
repair.
Fault indications should be considered in the order shown in Table 104: Site Controller LED Fault
Indications on page 373.
13.1.2
LED Fault Indications
Table 104: Site Controller LED Fault Indications
Indication Possible Failure
Corrective Action
All LEDs: OFF Power Supply switch
is OFF or power sup-
ply is damaged
Check if power supply switch is ON
Verify power to the Site Controller cabling
Check LEDs on PS (power supply)
Replace PS (power supply)
Active LED: Amber
BTS Alarm LED: RED
Application started af-
ter Booting, or failed
activation, SC not ac-
tive
If it is not booting / startup phase:
Check the Standby Site Controller cabling,
connections to all units
Check its status of ports and links
Active LED: GREEN
Mode LED: GREEN
BTS Alarm LED: RED
GPS LED: GREEN
WAT (Wide Area
Trunking) with prob-
lem Eg. IAC,
Check status of appropriate FRUs: atcc,
dpm, psu (see can bus problems)
Check ports and links state: port, in case of
problems check all cabling connections
Check the status of IAC inputs status
6802800U74-AP
MTS Troubleshooting
373