SkyView
HDX System
General Maintenance Manual, Revision F
Page | 39
DESCRIPTION
POSSIBLE CAUSES
POSITION SOURCE
or
GPS X FAIL
Position source (GPS) failure.
STANDBY NETWORK ERROR
SkyView Network has lost its
secondary standby network
redundancy.
TOUCH PANEL FAULT
Touch Hardware is currently offline.
XPNDR ALT ENCODER FAIL
Altitude is not being sent to the
Transponder because it is not
available from its nominal
barometric altitude source.
Table 3: Messages
DESCRIPTION
POSSIBLE CAUSES
B/U BATT TEST FAILED
A full backup battery test was
performed, and it failed.
B/U BATT TEST NEEDED
12 months or more has passed
since the last successful backup
battery test, or the last three
SkyView HDX Display shutdowns
were abnormal.
B/U BATT LOW CHARGE
The backup battery connected to
SkyView HDX Display is not
charged.
CHECK BARO SETTING
The current BARO setting and the
nearest METAR-based altimeter
setting are more than 0.1 inHg
apart; or, the aircraft has descended
below FL180 and the BARO should
be reset
CPU TEMP HIGH
The SkyView HDX Display internal
temperature is significantly higher
than the normal operating
temperature.
EXT LEVEL BUTTON STUCK
The external Level Button is stuck
and is inoperative.
PITCH SERVO OFFLINE
The Pitch Autopilot servo has
stopped communicating with
SkyView HDX.
This message also displays if
Autopilot servos are not receiving
power.
