V10/V7.5/V5/V3.5 Installation and Operation Manual Jul.05.07
Contents Page
5 SYSTEM LEVEL TROUBLESHOOTING
5.1 GENERAL 5-1
5.2 SCHEDULED MAINTENANCE 5-1
5.2.1 Cleaning the Transmitter 5-1
5.2.2 Checking Hardware 5-1
5.2.3 Battery Replacement 5-2
5.3 CORRECTIVE MAINTENANCE 5-2
5.3.1 On-Air Troubleshooting 5-2
5.3.1.1 Remote Troubleshooting 5-2
5.3.1.2 Local Troubleshooting 5-3
5.3.2 Off-Air Troubleshooting 5-3
5.4 ELECTROSTATIC PROTECTION 5-3
5.4.1 Discharging of Personnel 5-3
5.4.2 Handling/Storage 5-4
5.4.3 Tools/Test Equipment 5-4
5.4.4 Stress Current Protection 5-4
5.5 TROUBLESHOOTING FRONT PANEL ALARMS 5-4
5.5.1 Exciter Alarm 5-8
5.5.1.1 IPA Input Low 5-8
5.5.1.1.1 Low RF Drive 5-9
5.5.1.1.2 Exciter Output Load Fluctuation 5-9
5.5.1.2 IPA Input High 5-9
5.5.1.3 Exciter Communication Failure 5-9
5.5.1.4 Check Exciter 5-10
5.5.1.5 Exciter Fault 5-10
5.5.1.6 Mode/Frequency Mismatch 5-10
5.5.2 IPA/PA Alarm 5-10
5.5.2.1 IPA Forward High 5-11
5.5.2.2 IPA Forward Low 5-12
5.5.2.3 IPA Match 5-12
5.5.2.4 IPA Reflected High 5-13
5.5.2.5 Module Failure A-H 5-13
5.5.2.5.1 Module Offline 5-14
5.5.2.5.2 High Module Temperature 5-14
5.5.2.5.3 PA Failure 5-15
5.5.2.5.4 Fan Failure 5-15
5.5.3 Output Network Alarm 5-16
5.5.3.1 High Reflected Power 5-16
5.5.3.2 SWR Foldback 5-16
5.5.3.3 SWR Shutback and Cutback Level 5-17
5.5.3.4 SWR Shutdown 5-17
5.5.3.5 High Forward Power & Forward Power Limiting 5-17
5.5.3.6 Low Forward Power 5-18
5.5.3.7 High Reject Load Power and Reject Power
Foldback 5-18
5.5.3.8 Reject Load Power Shutback 5-18
5.5.3.9 Reject Load Power Shutdown 5-19
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