MTU 12 V 4000 L62FB Operating Instructions Manual page 116

565 – AL L1 P-Intake Air after Filter A
Yellow alarm.
Associated parameter 2.0186.921
Cause
Pressure loss over air filter on A
side is too high.
566 – AL L2 P-Intake Air after Filter A
Yellow alarm.
Associated parameter 2.0186.931
Cause
Pressure loss over air filter on A
side is too high.
567 – AL L1 P-Intake Air after Filter B
Yellow alarm.
Associated parameter 2.0187.921
Cause
Pressure loss over air filter on B
side is too high.
568 – AL L2 P-Intake Air after Filter B
Yellow alarm.
Associated parameter 2.0187.931
Cause
Pressure loss over air filter on B
side is too high.
569 – AL SAM Missing Data Fault
Red alarm.
Associated parameter 2.1090.128
Cause
This alarm is activated if the ECU
does not receive some messages
to be transmitted from SAM.
Possible problem related to CAN
bus, SAM does not work properly
or a device connected to SAM
does not work properly so that
SAM cannot transmit the
messages from this device
successfully.
116 | Troubleshooting | MS150098/02E 2016-11
Corrective action
u Replace air filter (→ Page 151).
Corrective action
u Replace air filter (→ Page 151).
Corrective action
u Replace air filter (→ Page 151).
Corrective action
u Replace air filter (→ Page 151).
Corrective action
u Check the cabling/connectors of the devices connected to SAM
and ECU bus. Replace devices if necessary.