Lycoming TEO-540-C1A Maintenance Manual page 515

TEO-540-C1A Engine Maintenance Manual
Fault ID 311
Fault
EEC time invalid fault*
Description
This fault indicates EEC time is invalid possibly due to a data logger fault or EEPROM
Root Cause
memory corruption.
1. If equipped with a data logger, continue step 1, if not, continue to step 2. Are there any active data
logger faults? If no, go to step 2. If yes, go to step 3.
2. 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 4. If yes, go to step 5.
3. Inspect data logger and cabling for damage. If damage is noted, repair damage in accordance with
aircraft maintenance manual. If data logger is damaged, replace.
4. 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.
5. Set ignition switch to on, do not start engine, complete step 4. Is fault still active? If no, sequence
complete. If yes, replace the ECU.
*NOTE: This fault does not cause any performance or operational limitations.
Fault ID 312
Fault
TBO clear corrupt fault*
Description
This fault indicates one or more corrupt records were found in the TBO fault clearing
Root Cause
history block
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, go to step 3.
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. Set ignition switch to on, do not start engine, complete step 2. Is fault still active? If no, sequence
complete. If yes, replace the ECU.
*NOTE: This fault does not cause any performance or operational limitations.
Fault ID 313
Fault
TBO clear full fault*
Description
Root Cause This fault indicates the clearing history block is full
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, go to step 3.
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. Set ignition switch to on, do not start engine, complete step 2. Is fault still active? If no, sequence
complete. If yes, replace the ECU.
*NOTE: This fault does not cause any performance or operational limitations.
© 2018 Avco Corporation. All Rights Reserved
November 2018
Fault Group 39
Troubleshooting Steps
Fault Group 40
Troubleshooting Steps
Fault Group 40
Troubleshooting Steps
Fault Name
[FAULT: EEC time invalid]
Fault Lamp
[FAULT: TBO Clear Corrupt
Fault Name
Record]
Fault Lamp
Fault Name
[FAULT: TBO Clear Full]
Fault Lamp
None
None
None
Appendix D
Page 485