4troubleshooting, 5maintenance – Lennox Hearth G8 User Manual
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TracVision G8 Owner’s Manual
3.3
Installing Satellites . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63
3.4
Restarting the Antenna . . . . . . . . . . . . . . . . . . . . . . . . . .65
3.5
Operations Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65
4
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81
4.1
Troubleshooting Matrix . . . . . . . . . . . . . . . . . . . . . . . . . .83
4.2
Causes and Remedies for Common
Operational Issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84
4.3
IRD Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . .87
4.4
Antenna Gyro and LNB Faults . . . . . . . . . . . . . . . . . . . . .87
4.5
Computer Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . .88
4.6
Maintenance Port Parser Commands . . . . . . . . . . . . . . .89
5
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91
5.1
Warranty/Service Information . . . . . . . . . . . . . . . . . . . . . .93
5.2
Preventive Maintenance . . . . . . . . . . . . . . . . . . . . . . . . .93
5.3
TracVision G8 Field Replaceable Units . . . . . . . . . . . . . .94
5.4
Accessing Antenna Components Through the Hatch . . . .96
5.5
Replacing the PCB Module Fuse . . . . . . . . . . . . . . . . . . .96
5.6
Replacing the Main PCB . . . . . . . . . . . . . . . . . . . . . . . . .97
5.7
Replacing the RF PCB . . . . . . . . . . . . . . . . . . . . . . . . .100
5.8
Replacing the Internal Sensor . . . . . . . . . . . . . . . . . . . .103
5.9
Replacing the Azimuth FOG . . . . . . . . . . . . . . . . . . . . .104
5.10
Replacing the Elevation Gyro . . . . . . . . . . . . . . . . . . . . .106
5.11
Replacing the Roll Gyro . . . . . . . . . . . . . . . . . . . . . . . . .107
5.12
Replacing the Azimuth Motor . . . . . . . . . . . . . . . . . . . . .108
5.13
Replacing the Elevation Motor . . . . . . . . . . . . . . . . . . . .110
5.14
Replacing the Elevation Belt . . . . . . . . . . . . . . . . . . . . .112
5.15
Replacing the Skew Motor (European Systems Only) . .113
5.16
Replacing the Skew Belt (European Systems Only) . . . .117
5.17
Replacing the LNB . . . . . . . . . . . . . . . . . . . . . . . . . . . .120
5.18
Replacing the LNB/Feed Tube Assembly . . . . . . . . . . . .121
5.19
Preparing for Shipment . . . . . . . . . . . . . . . . . . . . . . . . .123