MTU 8V4000Lx4 Operating Instructions Manual page 139

633 – SD P-ambient air (HDT2800)
-
Associated parameter 1.0700.087
Cause
Air humidity sensor defect.
634 – SD T0-Ambient Air (HDT2800)
-
Associated parameter 1.0700.089
Cause
Air humidity sensor defect.
635 – SD air humidity (HDT2800)
-
Associated parameter 1.0700.091
Cause
Air humidity sensor defect.
642 – SD Electr. Motor Power AI2
Red alarm.
Associated parameter 2.8006.040
Cause
Motor power sensor defect
(analog input 2).
646 – Al Knock Intensity
Red alarm.
Associated parameter 2.1200.934
Cause
Knock intensity exceeded
(extreme knocking detected).
649 – Al Req Angle Throttle A
Yellow alarm.
Associated parameter 2.1200.935
Cause
Throttle A opening angle
exceeded.
Corrective action
u Sensor is not currently part of standard scope of supply.
Corrective action
u Sensor is not currently part of standard scope of supply.
Corrective action
u Sensor is not currently part of standard scope of supply.
Corrective action
1. Effective generator power not transmitted correctly.
2. Effective generator power can be optionally transmitted by CAN
bus.
3. Check plant control application engineering.
Corrective action
1. Check gas quality if feasible (methane number).
2. Check emissions.
3. Check combustion chamber.
Corrective action
1. Check charge pressure reserve.
2. Intake air temperature not as per TVU data.
3. Check compressor for contamination.
4. Reduce power.
MS15026/00E 2015-05 | Troubleshooting | 139