Users Manual Part 2

13.1.2.1

Troubleshooting Flow Chart

Figure 191: Troubleshooting Flow Chart

Start

Check Power

LED

Are LEDs Stuck

Is MMI

Available?

Application mode

MMI available

See “Troubleshooting power” section

Off

Yes

Replace faulty TSC. TSC boot

software fails to execute and

turn software controlled LEDs off.

Check MMI cable,

and terminal set-up.

See chapter “Configuration and

Testing”

Check/reinstall TSC Application

using BTS

Service Software

See “Troubleshooting: General”

See “Led Fault Indication” section

13.1.2.2

Troubleshooting: Power

• Check for Power Supply Unit failure.

• Verify power (voltage and polarity) on rear connector. If power is present and correct then replace

the Site Controller. Otherwise check for the Site Controller power supply cabling fault.

NOTICE: Ensure that the polarity of DC cable connection is correct, as it is reversed in

comparison to MBTS.

13.1.2.3

Troubleshooting: status sc

This section details usage of the Application mode MMI command status sc for general

troubleshooting and to determine the Site Controller status.

6802800U74-AP

Chapter 13: MTS Troubleshooting

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