
EX5000 Installation Manual
P/N 600-00073 Rev 24
- 54 -
TAWS Checkout
➤
To test the TAWS installation:
1.
From the Maintenance Mode Page, select TAWS Setup.
2.
Perform a functional test of the EGPWS system in accordance with manufacturer’s instructions.
See the
MFD Pilot Guide
for display operation.
3.
If the Self Test fails, an error message is generated and displayed on the MFD display. See the
EGPWS System Installation Manua
l for explanations and fault isolation procedures.
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 23: TAWS Error Messages
Message
Meaning/Action
TAWS Failed
An incorrect system configuration or failure in one of the system components has
occurred.
■
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.
Summary of Contents for 700-00004 Series
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