L3 comminications Trilogy ESI-2000 Pilot's Manual page 52

Troubleshooting
Corrective Actions
CoNDITIoN
Airspeed Awareness
Color Band removed
and SPD message
displayed
Blank display
"BATT WORN OUT...
REPLACE" message
is displayed on screen
during startup
Battery Failed Indicator
4-2
(continued)
CAUSE/CoRRECTIVE ACTIoN
Indicates loss of airspeed configuration
data.
Cycle power to the ESI-2000.
If airspeed configuration data is not re-
stored, ESI-2000 may be defective. Have
ESI-2000 checked by certified service
center.
Brightness level may be low. Press and
hold the Menu M button for at least 5 sec-
onds. Brightness of display should be ob-
served.
ESI-2000 may be defective. Have ESI-
2000 checked by certified service center.
Message will be displayed at startup and
remain on screen for 90 seconds.
The battery can no longer hold a state of
charge greater than 1 hour and requires
replacement.
Have ESI-2000 checked by certified ser-
vice center.
Cycle power to the ESI-2000.
If the red battery failed indicator continues
to be observed after power cycle, battery
system has failed and requires replace-
ment.
Have ESI-2000 checked by certified ser-
vice center.
ESI-2000
Pilot's Guide