MTU MS150112/01E - Page 97

738 – AL L2 P-DPF Differential Pressure Standard
ZKP-Number: 2.1602.922
L2 P-DPF differential pressure standard violated
Red alarm
Cause Corrective action
Excessive pressure loss in DPF
due to contamination.
1. Check DPF.
2. Contact Service.
739 – AL L3 P-DPF Differential Pressure Standard
ZKP-Number: 2.1602.923
L3 P-DPF differential pressure standard violated
Red alarm
Cause Corrective action
Excessive pressure loss in DPF
due to contamination.
1. Check DPF.
2. Contact Service.
740 – AL L4 P-DPF Differential Pressure Standard
ZKP-Number: 2.1602.924
L4 P-DPF differential pressure standard violated
Red alarm
Cause Corrective action
Excessive pressure loss in DPF
due to contamination.
1. Check DPF.
2. Contact Service.
741 – AL DPF Hard TM Termination
ZKP-Number: 2.1602.925
DPF hard TM terminated
Red alarm
Cause Corrective action
Hard thermal management was
terminated due to unfavorable
operating conditions.
1. Check DPF.
2. Contact Service.
742 – AL DPF Frequent Hard TM
ZKP-Number: 2.1602.926
DPF frequent hard TM
Yellow alarm – warning
Cause Corrective action
Hard thermal management is
requested too often by engine
governor.
1. Check DPF.
2. Contact Service.
MS150112/01E 2014-10 | Troubleshooting | 97
TIM-ID: 0000029153 - 005