OPERATING MANUAL
7-10
21833-3.4
NORMARC 7013
INSTRUMENT LANDING SYSTEM
Corrective maintenance ©1999 Navia Aviation AS
DIAGNOSTIC ALGORITHM:
If there is a warning on the standby monitor board this board is faulty.
7.4.3.2.9 Standby monitor frontend tests
DIAGNOSTIC ALGORITHM:
If there is a warning on the standby monitor frontend board AND there is no warning or alarm
indication on the standby monitor measurements then the standby monitor frontend board is
faulty.
7.4.3.2.10 User defined parameters
DIAGNOSTIC ALGORITHM:
If there is a warning on any of the user defined inputs then “User defined input” is faulty.
7.4.3.3 Monitor self-test error
DIAGNOSTIC ALGORITHM:
Monitor self-test failure indicates an error on the monitor board that reports this failure.
7.4.3.4 Monitor DC-loop alarm
DIAGNOSTIC ALGORITHM:
If both monitor 1 AND monitor 2 reports DC-loop alarms or warnings the antenna has a broken
element.
7.4.3.5 Monitor warning tests
DIAGNOSTIC ALGORITHM:
Figure 7-1 illustrates the tests done by the RMM software for automatically diagnosing faults
that result in monitor 1 and 2 warning indications.
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