MTU 12V4000M*3 series Operating Instructions Manual page 206

394 – LO P-Lube Oil Red
Limit value 1
Cause
Redundant lube oil pressure
reading too low.
395 – SS P-Lube Oil Red
Limit value 2
Cause
Redundant lube oil pressure
reading too low.
396 – TD T-Coolant Sensor Deviation
Cause
Maximum coolant temperature
deviation.
397 – TD P-Oil Sensor Deviation
Cause
Maximum lube oil pressure
deviation.
400 – AL Open Load Digital Input 1
Line disruption on digital input 1
Yellow alarm; warning
Cause
Wiring faulty.
No resistance over switch.
204 | Troubleshooting | MS15036/00E 2018-08
ZKP-Number: 2.0112.921
Corrective action
1. Check wiring and sensor.
2. Contact Service.
ZKP-Number: 2.0112.922
Corrective action
1. Check wiring and sensor.
2. Contact Service.
ZKP-Number: 1.0480.193
Corrective action
1. Check wiring and sensor.
2. Contact Service.
ZKP-Number: 1.0480.293
Corrective action
1. Check wiring and sensor.
2. Contact Service.
ZKP-Number: 2.8006.625
Corrective action
1. Check wiring (→ Page 346).
2. Check target device input.
3. Contact Service.