SEL-3031 Instruction Manual Date Code 20181001
Performance Monitoring, Testing, and Troubleshooting
Troubleshooting
5.6
Troubleshooting
Code RAM Performs a comparison test against
code flash.
Yes On Closed
Code Flash Checksum is continually computed
on code base.
No On Closed
Flash (Settings) Performs a validity test every hour
on the settings.
Yes On Closed
Processor
Exception
Indicates processor failure. Yes On Closed
RTC Indicates clock chip static RAM fail-
ures.
Yes On Closed
Table 5.2 Troubleshooting Tips (Sheet 1 of 2)
Symptom Probable Cause Corrective Action
ALARM LED is ON Radio recognized a status
failure.
Turn unit off, and then on, and
issue the STATUS command.
If alarm signal returns, return
unit to the factory for repair.
ALARM LED flashes ON
every half second.
Radio detected a VSWR
error where there is an
open or short on the
antenna port.
Verify all connections from the
antenna to the radio are secure.
Verify the antenna, feedlines,
or lightning arrestor is not
damaged.
The SEC LED is flashing. The SEL-3031 properly
detects the encryption
card but the card is in
reset and doesn't have the
key set.
Use QuickSet and set the KEY
setting. This must be set the
same on both radios.
Cannot connect to the
radio through the USB
port.
USB driver not installed
properly.
Check for active SEL to USB
drivers from your PC in Device
Manager Ports section. If that
does not work, uninstall and
reinstall the driver and restart
your PC. Make sure the
SEL-3031 is powered on
before plugging in the USB
cable.
Table 5.1 Device Self-Tests (Sheet 2 of 2)
Self-Test Description
SER
Message
Alarm
LED
Alarm
Contact
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