MTU 12 V 4000 M23F Operating Instructions Manual page 121

268 – SD Spinning Value
Skid signal error
Yellow alarm; warning
Cause
Analog skid signal faulty.
Short circuit or wire break.
269 – SD Loadp.Analog filt.
Load pulse analog signal faulty
Yellow alarm; warning
Cause
The filtered analog signal from
the load pulse is not present.
Short circuit or wire break.
270 – SD Frequency Input
Signal error, frequency input
Red alarm; forced idle
Cause
Frequency input faulty.
Short circuit or wire break.
301 – AL Timing Cylinder A1
Time-of-flight measuring fault of injector
Cause
Flight time value extremely low
or extremely high.
302 – AL Timing Cylinder A2
Time-of-flight measuring fault of injector
Cause
Flight time value extremely low
or extremely high.
ZKP-Number: 2.8006.591
Corrective action
1. Check sensor and wiring, replace as necessary (→ Page 265).
2. Fault is rectified when engine is restarted (→ Page 77).
3. Contact Service.
ZKP-Number: 2.8006.588
Corrective action
1. Check wiring, replace as necessary (→ Page 265).
2. Fault is rectified when engine is restarted (→ Page 77).
3. Contact Service.
ZKP-Number: 2.8006.590
Corrective action
1. Check wiring (→ Page 265).
2. Check speed demand transmitter.
3. Contact Service.
ZKP-Number: 1.8004.500
Corrective action
u Replace injector if the fault message appears frequently
(→ Page 179).
ZKP-Number: 1.8004.501
Corrective action
u Replace injector if the fault message appears frequently
(→ Page 179).
MS150068/01E 2014-01 | Troubleshooting | 121