FENDT 900 Vario Workshop Service Manual page 111

Fault DIN brief description
code
1E.1.12 S002 - Switch, ignition
1E.1.14 B055 - Sensor, foot throttle
1E.1.21 K063 - Heater flange relay
1E.1.22 K063 - Heater flange relay
1E.1.23 S047 - Switch, engine brake
1E.1.24 Y006 - Solenoid valve, engine brake
1E.1.25 Y006 - Solenoid valve, engine brake
1E.1.26 A051 - ECU, engine control unit (EDC 7).
B077 - Engine fan (speed sensor/magnetic
clutch)
1E.1.27 A051 - ECU, engine control unit (EDC 7).
B077 - Engine fan (speed sensor/magnetic
clutch)
Y091 - Dispensing unit (fuel)
1E.1.2C K065 - Starter relay
1E.1.30 B004 - Vacuum switch (air filter)
Cause Consequences
Pin 50,
Ignition starter switch sticking
Cable break or short circuit Speed maintained, can
Signal does not match idle sensor be used by hand throttle
signal by increasing speed
briefly
Cable break or short circuit Pre-heater inoperable
Break in wiring or incorrectly con- Pre-heater inoperable
nected
Cable break or short circuit
Faulty valve, faulty actuation
Cable break or short circuit
Cable break or short circuit
Cable break, short circuit or inter- Start not possible
nal fault in engine control unit
between engine control unit and
dispensing unit
Cable break or short circuit Start not possible
Pressure loss above setpoint Loss of power
range Clean/replace air filter
Reference FENDIAS/Note
Circuit diagram SERDIA
EDC engine control (delete error)
00E3, 00E4
Circuit diagram SERDIA
EDC engine control (delete error)
FC:000C, 000E, 000F
Circuit diagram SERDIA
KHD engine control (delete error)
FC:0021
Circuit diagram SERDIA
KHD engine control (delete error)
FC:0013,0014
Circuit diagram SERDIA
EDC engine control (delete error)
FC:0034
SERDIA
(delete error)
FC:004A
SERDIA
(delete error)
FC:0052
Circuit diagram SERDIA
EDC engine control (delete error)
FC:0053
Circuit diagram SERDIA
KHD engine control (delete error)
FC:00B6, 00B7 , 00BA,
00BC
Circuit diagram SERDIA
EDC engine control (delete error)
FC:00DF , 00E0
Circuit diagram SERDIA
EDC engine control (delete error)
FC:000B, 00F2