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Field Service Tool User Manual
TEO-540-C1A Engine Maintenance Manual
This section contains step-by-step instructions for accessing the FST installed on the laptop.
Start the FST Program
NOTICE: Always connect the laptop to the RCA jack in the cockpit before opening the FST
program.
1. Connect the laptop to the RCA jack in the
cockpit per the "ECU to FST Connection"
chapter.
NOTICE: If possible, use ground power
instead of the aircraft batteries to
supply power to the aircraft.
2. Turn power to the ECU ON per instructions
in the applicable aircraft manual.
3. Turn on the laptop.
4. Click the Start button.
5. Click All Programs.
6. Find the FST Folder in the menu and double-
click on Field Service Tool (Figure 1).
NOTICE: The program will open and display
the Home screen (Figure 2). If the
program does not open, refer to the
"Field Service Tool - Software
Problems" chapter in this manual.
NOTICE:
Each Tab is an independent function and do not have to be accessed in a certain order.
Home Tab
1. Click the Upload button on the
Home screen (Figure 2) to display:
• Engine Serial Number
• Engine Hours
• ECU Serial Number
• ECU Hours
• CRC Code Version
• CRC Data Version
• CRC Boot Version
2. Verify that the serial numbers
displayed by the FST are the same
as the serial numbers on the data
tags on the engine and the ECU.
NOTICE: Connection is indicated by the two status lights in the lower left corner of the screen.
© 2022 Avco Corporation. All Rights Reserved
August 2022
ACCESS THE FIELD SERVICE TOOL
Figure 1
Field Service Tool Folder
Figure 2
Home Tab
Access the Field Service Tool
Page 15
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