NORTHROP GRUMMAN Park Air T6-RV, User Documentation

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T6-D-USER-RV-EN Page 6-2 Maintenance
© Park Air Systems Limited 2017
6.2 Status message procedure
The table shows Status messages as shown on the radio’s display, message descriptions and necessary actions.
6.2.1 Radio Health
An internal radio failure is displayed on a suitable laptop (or desktop) and/or the RCMS, Park Air R4 MARC Server.
With access to the radio’s web server, the following Radio Health messages may be displayed:
If an internal radio failure clears, the radio health message clears.
On R4 MARC Server, Radio Health messages will be displayed in the BIT Status pane.
If the internal fault condition is still displayed, return the radio to Northrop Grumman, see V2 Park Air Services .
Notes:
A radio whose Service Status changes to No Service, automatically becomes Inactive. The faulty radio
drops its SIP session in accordance with ED-137.
Receive operation is inhibited when the radio is Inactive.
Status messages Description Action

AC supply failed/disconnected
Measure the AC supply
Do a continuity test of the AC fuse

DC supply less than minimum DC
voltage level
Measure the DC supply
DC supply failed/disconnected
Measure the DC supply
Do a continuity test of the DC fuse

Ambient temperature too high
Measure the local environment temperature
Make sure the cabinet cooling operates
Is the Fan status message shown?

Active communication is lost Make sure that other system equipment is correctly connected

External equipment failure
Make sure the antenna circuit connections are correctly connected
Is the Auto-tune filter defective?

Internal fan failure Replace the internal fan, see 6.3 Fan replacement

Integral radio failure See 6.2.1 Radio Health
Radio Health message Description
An internal control system parameter may not be to
specification
An internal fault prevents the radio locking to the selected
frequency
Valid calibration data is not detected
Detection of an internal fault