89000109-002 xVue Touch Installation Manual
Rev 2 Page 8-13
© Honeywell International Inc. Do not copy without express permission of Honeywell.
For Use in Non-Certified Aircraft
After power up, the KG 71EXP provides
all air data, but no attitude data and no
heading information.
HG 1120 Status Check fails.
Event Log Code 7.
• Restart the KG 71EXP. If
problem persists, replace
the KG 71EXP unit.
Loss of air temperature, TAS and
Density Altitude is reported.
Temperature Probe CBIT
detects a failure. Event Log
Code 12.
• Inspect the temperature
probe wiring (including the
KG 71EXP connector). If
there is no problem with
wiring, replace temperature
probe. If problem persists,
replace the KG 71EXP unit.
• Note: If temperature is out
of the range from -70C to
+70C, then air temperature
(and related parameters)
becomes invalid. Loss of
this data is correct system
behavior.
Loss of magnetic heading.
Magnetometer availability
CBIT detects a failure. Event
Log Code 14.
• Check the KMG 7010/MD32
wiring and circuit breaker
(including KMG 7010/MD32
and KG 71EXP connectors).
• If there is no issue with wir-
ing, replace KMG 7010/
MD32. If problem persists,
replace the KG 71EXP.
Table 8-4 KG 71EXP Installation Troubleshooting
System Behavior Possible Root Cause Troubleshooting Action
To Next Page
Loading...
