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PRIMUS
R
660 Digital Weather Radar System
A28–1146–111
REV 2
In–Flight Troubleshooting
8-2
TEST MODE WITH TEXT FAULTS ENABLED
When airborne, if the radar is switched to TEST mode, any current
faults are displayed.
When on the ground (weight on wheels active) and the radar is switched
to TEST mode, any current faults are displayed, followed by up to 32
faults from the last 10 power on cycles. The historic faults are displayed
going from the most recent to the oldest and are cycled every two
antenna sweeps (approximately 8 seconds). The POC number
indicates how many power on counts back into the history the fault
occurred. After the last fault, an END OF LIST message is displayed.
To recycle through the list again, exit and re–enter the TEST mode.
Table 8–1 describes the six fault data fields that are displayed in figure
8–1.
Field No. Description
1 Pilot message
2 Line maintenance message
3 Fault code/power–on count
4 Fault name
5 Transmit ON/OFF
6 Strap code
NOTES: 1. If airborne, only fault fields 1, 2, and 3 are
displayed.
2. Airborne, only the current faults are displayed.
3. Strap codes indicate the configuration that was
done at the time of installation. Refer to the
System Description and Installation manual for
further explanation.
Fault Data Fields
Table 8–1