Nautel XR12 Troubleshooting Manual

Also see for XR12: Installation manual Operation and maintenance manual Preinstallation manual

Contents

XR12 Troubleshooting Manual Responding to alarmsPage 1-4 Issue 3.0 2009-07-28Identifying an alarmThe best way to identify an alarm is by viewing the transmitter’s front panel. There are several ways touse the front panel to identify the occurrence and origin of a fault:• The system diagram (Figure 1.1) is a flow diagram that indicates the operational status ofvarious sections of the transmitter. If a lamp is on (red), a fault is occurring in the associatedsection of the transmitter.Figure 1.1: System Diagram• The diagnostic display's meter screen has real-time meter indications (e.g., forward power) toassist in fault analysis.• If an alarm occurs, a Status option appear’s on the diagnostic display. Press the Status softkey to display all active faults.• The diagnostic display's Events Log (see page 3-1 of the Operating and Maintenance Manual)provides a chronological list of faults and events to assist in fault diagnosis.1. Determine the origin of the fault by noting which of the system diagram's lamps hasturned on.2. Attempt to clear the alarm from the Status screen by pressing the Reset button. If the alarmpersists, it will not be cleared from the display.IPA/PAExciter OutputNetworkLow VoltagePower SupplyAC Mains Power SupplyChangeoverExternalAlarm