Installation manual

Installation Manual
P/N 600-00175-000 Rev 04 MFD Feature Setup and Checkout
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5.8.2 TAWS Communications Check (Messages)
If there is a communication or data error between the TAWS sensor and the MFD, one of the following
messages will display on the bottom of the screen.
Note: If the EGPWS interface is operating properly, there will be no system status messages.
Table 19: TAWS Error Messages
Message Meaning/Action
TAWS Failed The system configuration is incorrect or one of the system components has failed.
■ Verify that the sensor is turned on and valid.
■ Verify system wiring.
TAWS Initializing If message does not clear within 60 seconds, communication between the MFD and the
Terrain sensor has not been established.
■ Verify that the sensor is turned on and valid.
■ Verify system wiring.
■ See terrain sensor Installation and User’s Manual for troubleshooting guidance.
TAWS Not Communicating Indicates that the MFD is not receiving data from the Terrain sensor.
■ Verify that the sensor is turned on and valid.
■ Verify system wiring.
■ See TAWS sensor Installation and User’s Manual for troubleshooting guidance.
TAWS Display Unavailable The TAWS Sensor has declared itself inoperative.
■ Verify system wiring.
■ Verify that the sensor inputs to the TAWS are turned on and valid.
■ See TAWS sensor Installation and User’s Manual for troubleshooting guidance.
TAWS Sensor Self-Test The TAWS Sensor is performing a Self-Test. The message will remain until the self-test
is finished.
■ Verify that the “Self-Test” mode has been not been selected at the separate TAWS
control panel.
■ Verify system wiring.
■ See TAWS sensor Installation and User’s Manual for troubleshooting guidance.
TAWS Inhibited The TAWS sensor is in the “Inhibited” mode.
■ Verify that the “Inhibit” mode has been not been selected at the separate TAWS
control panel.
■ See TAWS sensor Installation and User’s Manual for troubleshooting guidance.