MTU 12 V 4000 L62FB Operating Instructions Manual page 126

683 – AL PhyA Red
Red alarm
Associated parameter 1.4570.091
Cause
An internal combined alarm at
step motor A was detected
684 – AL PhyB Red
Red alarm
Associated parameter 1.4570.191
Cause
An internal combined alarm at
step motor B was detected
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
configurable time.
689 – HI Oil Refill
Yellow alarm
Associated parameter 1.1480.303
Cause
Engine oil was refilled too often
within a certain time interval.
126 | Troubleshooting | MS150098/02E 2016-11
Corrective action
u An exact fault designation is transmitted via CAN bus to the genset
control system
Corrective action
u An exact fault designation is transmitted via CAN bus to the genset
control system
Corrective action
1. Check engine oil level (→ Page 153).
2. Check replenishment system.
3. Fill oil.
Corrective action
1. Check engine oil level (→ Page 153).
2. Check replenishment system.
3. Drain oil.
Corrective action
u Check oil replenishment system.
Corrective action
u Check engine oil level (→ Page 153). Check oil supply.