MTU Gas engine8 V 4000 L62 Operating Instructions Manual page 172

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.
172 | Troubleshooting | MS150032/02E 2012-07
ZKP-Number:
Corrective action
u Replace air filter (→ Page 68).
ZKP-Number:
Corrective action
u Replace air filter (→ Page 68).
ZKP-Number:
Corrective action
u Replace air filter (→ Page 68).
ZKP-Number:
Corrective action
u Check the cabling/connectors of the devices connected to SAM
and ECU bus. Replace devices if necessary.