Teledyne Continental Motors, Inc.
TM
Troubleshooting
Table 8-4.
System Status Indicators
Engine
Excessive CHT
Cylinder head temperature is above engine’s maximum
limit; may not be a FADEC System fault
Excessive EGT
Exhaust gas temperature is above engine’s maximum
limit; may not be a FADEC System fault.
Engine running
There are more than 125 milli-seconds between Ne
events with the engine is running.
Dead cylinder
Cylinder head temperature is below level indicative of an
operational cylinder; may not be a FADEC System fault.
Lean misfire
Exhaust gas temperature indicates normal combustion is
not occurring in a given cylinder.
Channel Performance
N
e
task overrun
High level controller fault
A/D conversion fault
High level controller fault
ISR overrun
High level controller fault
Reset detected
High level controller activity
Fuel pump short
Shorted fuel pump has been detected
Backup injection
Channel is performing the injection function for the other
channel residing in the same ECU.
Discrete Control Functions
Fuel pump latch
Fuel pump control is latched in the ON state. Suspect
engine driven pump fault
Ignition Switch enabled
Ignition switch is in the enabled position for the channel
(position L or R).
Fuel pump ON
Aircraft boost pump control commanded ON
IOF-550 Permold Series Engine Maintenance Manual
8-19
1 April 2007