MTU 8V4000Lx4 Operating Instructions Manual page 145

685 – AL Lube Oil Min.
Red alarm.
Associated parameter 1.1480.307
Cause
Min. engine oil filling level
detected.
686 – AL Lube Oil Max.
Red alarm.
Associated parameter 1.1480.309
Cause
Max. engine oil filling level
detected.
688 – LO Oil Refill
Yellow alarm.
Associated parameter 1.1480.301
Cause
No oil replenishment within a
programmable time.
689 – HI Oil Refill
Yellow alarm.
Associated parameter 1.1480.303
Cause
Engine oil was refilled too often
within a certain time interval.
691 – HI Lube oil level top-up.
Yellow alarm.
Associated parameter 1.1480.311
Cause
Engine oil was refilled too often
within a certain time interval.
Corrective action
1. Check engine oil level (→ Page 175).
2. Check replenishment system.
3. Top up oil.
Corrective action
1. Check engine oil level (→ Page 175).
2. Check replenishment system.
3. Drain oil.
Corrective action
u Check oil replenishment system.
Corrective action
u Check engine oil level (→ Page 175). Check oil supply.
Corrective action
u Check engine oil level . Check oil supply.
MS15026/00E 2015-05 | Troubleshooting | 145