User's Manual

Repeater does not power up
• Verify the repeater has supplied AC power
• Check that the Power On/Off toggle switch on the EIC card module is set to the On
position. When set to On, the EIC Power LED should be blinking. If not, replace the
power supply module.
Repeater indicates powered on, but
does not operate
• Reset the repeater by momentarily pressing the System Reset pushbutton on the EIC
card module.
• Perform a Power Supply Diagnostic:
1 From the diagnostics application, select
1
Power Supply > PS Test > PS output > Start
1
Confirm that the power supply output is approximately 25.0 volts
1
Stop the test.
1
If the power supply test fails, then replace the power supply.
If the red EIC Alarm LED remains on, select the
1
Faults menu item to view
detected faults.
If the PS Temp- The power supply temperature has exceeded limits fault is
detected, replace the power supply assembly.
Fault or multiple faults indicated
•
If the repeater indicates it is powered on, it may be possible to reboot the repeater
into the diagnostics mode to review any detected faults.
1 Activate the diagnostics application, and select the
2
Faults menu item.
• If multiple faults occur, it is possible that the measurements themselves are at fault.
Replace the Channel Controller card. If problem persists, replace the RF deck.
Review the indicated fault conditions and take the appropriate action.
Repeater not transmitting
• Verify the repeater has supplied AC power.
• Ensure that the TX DSP card is fully seated, with no bent pins.
• Ensure that the Channel Controller card is fully seated, with no bent pins.
• Reboot the Channel Controller card by momentarily pressing the Reset button on the
card. If this does not correct the problem, continue to the Transmitter Test.
• Perform a Transmitter Test - Connect a test receiver to the RF transmit port. Make
sure that sufficient attenuation is provided to protect the test receiver.
1 From the diagnostics application, select
2
TX > TX Test > Cont > Start
2
Verify that the Tx Frequency is within specified limits.
2
Verify that the Tx Power output is within specified limits.
2
Verify that the Tx Modulation level is within specified limits.
2
Verify that the test receiver can decode the P25 1011 Hz tone.
2
Stop the test.
2
If any of the TX tests fail, then replace the RF deck.
If the red EIC Alarm LED remains on, select the
Faults menu item to view
detected faults.