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Message
Port Main
Propeller(invalid)
Port Main Propeller(not
plausible)
Port Main
Propeller(unavailable)
Position(doubtful)
Position(failed)
Position(doubtful)
Position(failed)
Position(invalid)
Position(not plausible)
Position(unavailable)
POSN(GPS#n) Not
Differential
POSN(Low Integrity,
GPS#n)
POSN(Navigational
Status Not Valid,
GPS#n)
Power Fail
Power(Fan)
Power(TXRX, Failed)
Appendix A Alert, Maintenance INFO and Permanent information
Explanation
There is a format error or
a status error of the data.
There is a range error of
the data.
The data cannot be
received.
The integrity of Position
cannot be verified.
The Position has been
rejected by the integrity
verification.
The integrity of Position
cannot be verified.
The Position has been
rejected by the integrity
verification.
There is a format error or
a status error of the
Position data.
There is a range error of
Position data.
The Position data cannot
be received.
Differential operation is
not performed by GPS#n.
Integrity of the GPS
position is low.
Navigational status of
GPS is not valid.
Power incoming of
3.3V/2.5V/1.5V/1.2V etc.
has decreased and
stopped.
A failure of the fun in the
power supply unit has
been detected.
There is an error in the
power supply unit for the
radar antenna.
Advice
Check the sensor condition.
Check the sensor condition.
Check the condition of the sensor and the
communication path.
Check the sensor condition. Switch to a
sensor in good condition.
Check the sensor condition. Switch to a
sensor in good condition.
Check the sensor condition. Switch to a
sensor in good condition.
Check the sensor condition. Switch to a
sensor in good condition.
Check the sensor condition. Switch to a
sensor in good condition, if available.
Check the sensor condition. Switch to a
sensor in good condition, if available.
Check the condition of the sensor and the
communication path. Switch to a sensor in
good condition, if available.
Check the sensor condition.
Perform the operation carefully.
Perform the operation carefully.
Check the electronic power supply.
Restart the power.
If it cannot be recovered after three times of
restart, turn off the device and contact the
distributor.
Turn off the power of the device and request
the distributor to repair.
A-34
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