MTU 12 V 4000 M23F Operating Instructions Manual page 160

690 – AL Oil Level too Low
Cause
Alarm, lube oil level is too low.
759 – AL L1 T-Fuel b. Engine
Fuel before engine (limit 1)
Cause
Fuel temperature before engine
too high.
760 – AL L2 T-Fuel b. Engine
Fuel before engine (limit 2)
Cause
Fuel temperature before engine
too high.
761 – SD T-Fuel b. Engine
Cause
Oil pan temperature sensor
faulty.
==> Short circuit or wire break.
782 – SD P-Lube oil ETC A
Cause
SD turbocharger lube oil
pressure.
788 – Cyl. cutout detects turbocharger speed error
Cause
The cyl. cutout system has
detected an invalid turbocharger
speed at turbochargers 1 or 2.
160 | Troubleshooting | MS150068/01E 2014-01
ZKP-Number: 1.0150.921
Corrective action
u -
ZKP-Number: 2.0080.921
Corrective action
u -
ZKP-Number: 2.0080.922
Corrective action
u -
ZKP-Number: 1.0080.900
Corrective action
1. Check sensor and wiring (B24), replace as necessary.
(→ Page 265).
2. Contact Service.
ZKP-Number: 1.0222.920
Corrective action
u -
ZKP-Number: 1.3000.069
Corrective action
u -