MTU 20 V 4000 M93 x Operating Instructions Manual page 106

506 – AL Low Starter Voltage
Cause
battery voltage is too low to
accomplish a starting
procedure.
507 – AL POM Error
Cause
A general POM error occurred.
508 – AL Wrong POM-ID
Cause
POM transmits an unexpected
ID number. If alarm occurs in
combination with alarm 504, the
resistor in the POM cabling is
missing.
519 – Oillevel Calibration Error
Cause
Error when writing the
calibration value into the Flash
or SD memory of the level
sensor; associated PV: AL Group
6 Mot Bit 11
525 – SD P-Lube Oil (R2)
Cause
Redundant lube oil pressure
sensor faulty; Short circuit or
wire break
526 – SD T-Coolant (R2)
Cause
Redundant coolant temperature
sensor faulty; Short circuit or
wire break
106 | Troubleshooting | MS150048/04E 2013-07
ZKP-Number: 14.500.906
Corrective action
u Check battery-charging generator and cabling.
ZKP-Number: 14.500.907
Corrective action
u Replace POM.
ZKP-Number: 14.500.908
Corrective action
u Check POM wiring harness.
ZKP-Number: 10.158.921
Corrective action
1. Check sensor and cabling, replace as necessary.
2. Contact Service.
ZKP-Number: 18.004.638
Corrective action
u Check sensor and cabling, replace as necessary.
ZKP-Number: 18.004.639
Corrective action
u Check sensor and cabling, replace as necessary.