TEO-540-C1A Engine Maintenance Manual
© 2022 Avco Corporation. All Rights Reserved
Field Service Tool – Software Problems
August 2022
Page 27
Field Service Tool User Manual
FIELD SERVICE TOOL - SOFTWARE PROBLEMS
Table 1 shows the more common and recurring problems, causes, and corrective actions. Continue
from the simplest to the most complex possible causes.
Table 1
Corrective Action Guide
Problem
Cause
Corrective Action
Software will not load
on the laptop.
Laptop operating system is
not compatible with Field
Service Tool software.
Make sure the laptop has Windows 7 or 10
operating system installed.
Replace the laptop if necessary.
Laptop will not
interface with the ECU.
Aircraft power is off.
Turn the aircraft power on.
Cable is not connected.
Check all cable connections; make sure all
plugs are correctly installed.
Cable is damaged or broken. Contact Lycoming for a replacement iE
2
Service Cable (ST-528).
CAN Adapter is not
operating correctly.
Contact Lycoming for a replacement iE
2
Field Service Tool CAN Interface (ST-530).
After opening the FST
program, the “ECU
Connection Status”
indicator in the lower
left corner of the screen
is not lit.
There is no communication
between the laptop and the
ECU.
Close the FST program per the “Close the
FST Program” section in this chapter then
start to FST program per the “Start the FST
Program” in the “Access the Field Service
Tool” chapter.
After opening the FST
program, both the
“ECU Connection
Status” indicator and
the “CAN Hardware
Status” indicator in the
lower left corner of the
screen are not lit.
There is a problem with the
connecting hardware and/or
cables.
1.
Examine the cable and connection
between the CAN Adapter and the ECU
to make sure the connections are secure,
and the cable is not damaged.
2.
Replace damaged cables or cables with
damaged connectors.
3.
Attach the cable per the “ECU to FST
Connection” Chapter in this manual.
4.
Start to FST program per the “Start the
FST Program” in the “Access the Field
Service Tool” chapter.