MTU 16V4000Lx2x Operating Instructions Manual page 131

685 – AL Lube Oil Min
Red alarm.
Associated parameter 1.1480.307
Cause
Minimum engine oil filling level
detected.
686 – AL Lube Oil Max
Red alarm.
Associated parameter 1.1480.309
Cause
Maximum 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 Refill.
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 157).
2. Check replenishment system.
3. Fill oil.
Corrective action
1. Check engine oil level (→ Page 157).
2. Check replenishment system.
3. Drain oil.
Corrective action
u Check oil replenishment system.
Corrective action
u Check engine oil level (→ Page 157). Check oil supply.
Corrective action
u Check engine oil level. Check oil supply.
MS150121/00E 2015-07 | Troubleshooting | 131