160 Part H: Diagnosing MB8100-00-00-806 © TEL 2003Power Amplifier TestsThe Service Kit lets you test aspects of the PA. You can test the fan, the frontpanel, and the PA’s ability to transmit.Control TestsThe Control Tests form (Diagnose > Power Amplifier > Control Tests) letsyou test the PA fan and front panel fault LED.Alarm status Indicates whether the PA has any current alarms.Current fault LEDstateIndicates the current state of the LED and the fan, and lets you test them.Currenttemperature The Current temperature area displays four thermometers that monitor the fourPA temperature sensors.Testing the PA Fault LEDYou can test that the LED on the front of the PA is able to light up. (This LEDis only visible when the front panel is removed.)1. Select Diagnose > Power Amplifier > Control Tests.2. Click Start Test. This uncouples the fault LED from the PA’s operationallogic.3. Click Toggle LED. If the fault LED was off, this should turn it on.
