SKY899
Installation Manual
Page 4-26 - Maintenance
009-11900-001
July 18, 2013
Revision F
Table 4-3: Installation Related Error Messages (Continued)
ERROR NO.
MESSAGE
REMARKS
ERROR 15
RF Angle Error
a. Check directional antenna and associated cables.
b. Calibrate directional antenna (para 4.4.3)
NOTE
Ensure transponder is in standby and DME is OFF while doing calibration
c. Cycle power and run pilot initiated self-test.
ERROR 17
Mag Var Table Error
a. Unable to read the compact flash information correctly, verify compact flash is inserted
into J12 correctly.
b. Try a different compact flash.
c. Replace TRC.
ERROR 20
Barometric Input Error
a. Verify altimeter source is turned on, warmed up, and is selected correctly in service
menu.
b. Cycle power.
c. Ensure that barometric altitude input data is from only one source (Gilham code or
ARINC-429).
d. Encoded inputs can be checked from the barometric altimeter data monitor screen (para
4.4.2.3).
e. Using the service menu, verify barometric source configuration and altitude information
(para 4.4.2.3).
f.
Check wiring associated with altimeter source.
ERROR 23
Synchro Input Error
Invalid synchro compass input (XYZ signals or 400 Hz reference).
a. Check heading source.
b. Using the service menu, verify heading setup in mag heading data monitor (para 4.4.2.3).
c. If the heading signals become valid, the system will recover automatically.
d. Check wiring associated with synchro compass input.
ERROR 29
System Config Error
Check wiring associated with configuration module if error reoccurs replace configuration
module.
MSG
GPS Input Error
Degraded message
appears on WX-1000
display
Degraded operation, ADS-B feature will not be usable.
a. Verify GPS source is it turned on and locked onto satellites.
b. Using the service menu, verify configuration (speed and equipment type) is set correctly.
c. Check ARINC-429 wiring associated with GPS.
MSG
Heading Input Error
Degraded message
appears on WX-1000
display
No heading input being received (ARINC-429 or synchro compass). Degraded operation; will
cause targets to disappear from the screen when your aircraft changes heading.
a. Check heading source.
b. Using the service menu, verify heading setup in Mag Heading data monitor (para
4.4.2.3).
c. If the heading signals become valid, the system will recover automatically.
d. Check wiring associated with heading input.
The error messages in Table 4-4are used by factory technicians in determining what actions may have
preceded a system failure. These messages do not necessarily indicate a current system failure and are
provided for information only. Should the installer observe these messages in the error log without a
SKY899 Failed message during normal operation, no service action is required.
Table 4-4: Informational Error Messages
ERROR NO.
MESSAGE
ERROR NO.
MESSAGE
ERROR NO.
MESSAGE
ERROR 01
Boot Error
ERROR 11
Analog/PS Error
ERROR 22
Not currently used in software
ERROR 02
ROM Memory Error
ERROR 12
RF Failure Error
ERROR 24
Software Error
ERROR 03
RAM Memory Error
ERROR 13
RF Transmitter Error
ERROR 25
Operating Sys Error
ERROR 04
Watchdog Error
ERROR 16
Antenna Sel. Unit Error
ERROR 26
Video Controller Error
ERROR 05
Bus Fault Error
ERROR 18
ARINC 429 Comm Error
ERROR 27
Video Memory Error
ERROR 08
Unused Interrupt Error
ERROR 19
Serial Comm Error
ERROR 28
NVRAM Error
ERROR 09
I/O Board Error
ERROR 21
Not currently used in software
ERROR 30
System Test Error
The document reference is online, please check the correspondence between the online documentation and the printed version.