Teledyne Continental Motors, Inc.
TM
Troubleshooting
IOF-550 Permold Series Engine Maintenance Manual
8-13
1 April 2007
Procedure
1.
Connect the FADEC Level I Diagnostic interface cable 9-pin serial connector to an
available serial port on the computer.
2.
Connect the interface cable in the stand alone FADEC Serial Data Port or EDI Serial
Data Port.
3.
Power-up the computer.
WARNING
Before engine start, ensure the propeller rotational arc is clear
or personnel or obstructions to avoid injury or equipment
damage.
4.
Master Power Switch .....................................ON
5.
FADEC Primary Power Switch .....................ON
6.
FADEC Secondary Power Switch .................ON
RESULT: FADEC WARNING and CAUTION lamps illuminated.
7.
Launch the FADEC Level I Diagnostic application and follow the onscreen prompts.
8.
Select the “Health Status” page in the Level I Diagnostics program.
9.
Review the Health Status indicators for system fault indications. Faults are presented
in a “plain English” format. Tables after this procedure explain Health Status faults.
10.
Start the engine and allow normal warm up (OI-24, Chapter 7). Monitor the “Health
Status” page for fault indications.
11.
Monitor the Health Status page
a.
Perform an “Engine Operational Check” according to Chapter 6 instructions.
b.
Throttle........................................ Wide Open
c.
Throttle................................................. IDLE
d.
If system faults are observed at any point during this test, troubleshoot to identify
and correct faults.
12.
Select the “View Raw Data” page.
NOTE: ECU channels display values for each parameter. For
example, if the displayed Pm value for Channel 1 is 12.1 psia,
acceptable values for Channels 3 or 5 are between 11.35 – 12.85
psia. If the difference for a shared parameter exceeds specified
limits, troubleshoot to identify and correct the malfunction.
Table 8-2.
FADEC Sensor Deviation Range
Parameter Tolerance
+/-
Pf 5.0
psia
Pm 0.75
psia
Tm 10°F