MTU 8V4000Lx4 Operating Instructions Manual page 131

499 – SD T-Charge Mix
Red alarm.
Associated parameter 1.8004.632
Cause
Mixture temperature sensor
defective, short circuit or wire
break.
511 – HIHI P-Charge Mix A
Red alarm. Engine stop.
Associated parameter 2.0181.932
Cause
Mixture pressure on A side too
high (limit value 2).
512 – HIHI P-Charge Mix B
Red alarm. Engine stop.
Associated parameter 2.0182.932
Cause
Mixture pressure on B side too
high (limit value 2).
513 – SD P-Coolant Diff
Red alarm.
Associated parameter 1.8004.610
Cause
Coolant differential pressure
sensor defective, short circuit or
wire break.
515 – AL Starter Not Engaged
Yellow alarm.
Associated parameter 2.1090.926
Cause
Starter not engaged.
Corrective action
u Check sensor and cabling (B73), replace as necessary. Fault is
rectified following engine restart.
Corrective action
1. Check emissions.
2. Check ignition timing (→ Page 163).
3. Check exhaust back pressure.
4. Check valve clearance (→ Page 168).
5. Check throttle.
6. Check mixture coolant system.
Corrective action
1. Check emissions.
2. Check ignition timing (→ Page 163).
3. Check exhaust back pressure.
4. Check valve clearance (→ Page 168).
5. Check throttle.
6. Check mixture coolant system.
Corrective action
u Check sensors and cabling (B16.1, B16.3), replace if necessary.
Fault is rectified following engine restart.
Corrective action
u Check starter and cabling.
MS15026/00E 2015-05 | Troubleshooting | 131