5-2
RF-7800B
SCHEDULED MAINTENANCE
R
The following procedures assume that the operator has determined that the BGAN terminal is faulty. This could be
determined in three ways:
•
The self-test has been run and a fault code has been identified by the BGAN terminal.
•
A run-time fault message is displayed by the Antenna Status page.
•
The observed degraded operation suggests that the BGAN terminal is faulty.
Whenever it is believed that the BGAN terminal may be faulty, the troubleshooting procedures in this chapter should
be followed to determine the recommended corrective action. If the symptom observed is not covered, report the
problem to a Level II or III maintainer (Direct Support, Intermediate Maintenance, or Factory Warranty Support).
Faults can be detected by the Built-In Test (BIT) or visual observation.
5.2.1
Troubleshooting Procedures
Self test faults are displayed on the Antenna Status page. The following paragraphs identify probable failure causes,
and suggested corrective actions.
5.2.1.1
Power-on BIT Faults
BIT faults are saved following an power-on BIT and are displayed on Antenna Status page.
5.2.1.2
Operator-Initiated BIT Faults
BIT faults are displayed following an operator-initiated BIT. For information on running BIT, refer to
. When a fault message is displayed, record all fault code information and report the fault to a Level
II or Level III maintainer.
5.2.1.3
Run-Time Faults
Run-Time faults mostly occur due to programming errors and are listed in
. Sometimes hardware failures
can cause run-time failures. Send the radio to a level II or III repair facility for hardware failures.
5.2.1.4
Non-BIT Faults
Non-BIT faults are operator-observed failures, or cases of degraded operation. Locate the observation in the first
column of
and follow the recommended action. If the recommended action is unsuccessful, report the fault
to a Level III maintainer.
Table 5-3. Run-Time BIT Faults, Descriptions, and Corrective Action
Text Message
Description/Corrective Action
Hot, Very Hot, Very Very Hot, Too Hot
Temperature warnings. Hot = warning, Very Hot = reducing
functionality, Very Very Hot = shutting down calls, Too Hot =
imminent shutdown.
Personal Identification Number (PIN) Required Enter a 4-8 digit PIN to enable non-emergency functions.
Personal Unblocking Key (PUK) Required
Enter a 4-8 digit PUK to revert Subscriber Identity Module
(SIM) to the original unlocked state.
Summary of Contents for RF-7800B-DUO24
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