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Fav 900
Engine / Systems
Trouble shooting program EDC
B
Faults
Fav 900 chassis number 23/3001 and up
16.11.2000
2000
000001
B
b
24/72
Capitel
Docu-No.
Index
Date
Version
Page
Trouble shooting program EDC
Start of Delivery Deviation (Test 10)
Failure Code (Fendt):
1.2.18
Text-module
Failure location (MAN):
18
Text-module
Failure display :
Message on Dashpanel
Text-module
Failure path:
Start of Delivery system deviates
Text-module
Consequences:
Full Power Fuel Flow reduced to 50-60%
Reduced max Speed to 1700 Rpm
Heavy Smoke Emission
System switches from Normal operation into Control mode with fixed Delivery Start with fixed
caracteristic.
Text-module
Possible Origin:
Failures in the fuel system (leaks, clogged, air in the System)
Overflow Valve Failure, leaks or Air in the Fuel System
Fuellifting Pump Failure
Contaminated Filter
Clogged fuel lines, squeezed Fuel lines
Empty fuel tank
Contaminated fuel system including Fuel Tank
Problem in Fuel Tank Venting (Vacuum)
Wiring disruption, Short Circuit
Connectors on Injection Pump / Cabin / Control Module
oxydation, loose , pushed back or dammaged
Signal Speed sensor not OK
Wrong Signals from Needle motion Senssor
Pump is not correctly fitted (Check Adjustments)
Injection Pump Failure
Text-module
Remark:
Even without Failure Code , Check always Function Paths , Needle Motion Sensor, Speed Sensor
Engine (Flywheel) as well as Wire KW Speed, VP 44 to Control Module A012 .
Text-module
Use wiring diagrams wich are corresponding to the tractor
Test
Measurement
Trouble shooting
Check with Diagnostic program requested /
actual value start of injection
- Record Failure and ambient Parameters
with FENDIAS
Failure Condition: +/- 3 degrees
- Delete failure memory content with FEN-
DIAS
Deviation 2,5 second of duration
- Check again with FENDIAS
Monitoring only with Speed > 1000 Rpm
- check Wiring
- Check Connectors
- Check fuel system
- Fill up fuel tank
- Check pump