Lycoming TEO-540-C1A Maintenance Manual page 439

TEO-540-C1A Engine Maintenance Manual
Fault ID 36
Fault
Application sync task overrun
Description
The fault indicates a delay in execution/completion of a sync task before the
Root Cause
request/scheduling of the next sync periodic task due to possible hardware interrupts
1. With Ignition switch in OFF position, remove ECU power by pulling the ECU circuit breaker. Wait 10s
before resetting. Is fault active? If no, go to step 2. If yes, replace the ECU.
2. Clear Service faults using the FST by following the steps outlined in the "Access the Field Service
Tool" section in Appendix C or the latest revision of SSP-118.
3. If fault repeats, replace the ECU.
Fault ID 37
Fault
Application task scheduler overrun
Description
The fault indicates a delay in execution/completion of a scheduler task before the
Root Cause
request/scheduling of the next scheduler task due to possible hardware interrupts
1. With Ignition switch in OFF position, remove ECU power by pulling the ECU circuit breaker. Wait 10s
before resetting. Is fault active? If no, go to step 2. If yes, replace the ECU.
2. Clear Service faults using the FST by following the steps outlined in the "Access the Field Service
Tool" section in Appendix C or the latest revision of SSP-118.
3. If fault repeats, replace the ECU.
Fault ID 38
Fault
Description
Root Cause
Fault ID 39
Fault
Description
Root Cause
© 2018 Avco Corporation. All Rights Reserved
November 2018
Fault Group 5
Troubleshooting Steps
Fault Group 5
Troubleshooting Steps
Fault Group 5
Troubleshooting Steps
Fault Group 5
Troubleshooting Steps
Fault Name
[FAULT: sync task overrun]
Fault Lamp
Fault Name
[FAULT: task scheduler overrun]
Fault Lamp
Fault Name -reserved-
Fault Lamp
Fault Name -reserved-
Fault Lamp
None
None
None
None
Appendix D
Page 409