MTU 20 V 4000 G23, Technical Publication

Page: 92 / 178

Troubleshooting 87
Fault
code No. Designation Meaning Task
Related
parameter No.
382 AL Wiring TOP 2 Alarm configuration; Short
circuit or wire break on
transistor output, plant-side 2
(TOP 2).
Check cabling to
plant.
2.8006.639
383 AL Wiring TOP 3 Alarm configuration; Short
circuit or wire break on
transistor output, plant-side 3
(TOP 3).
Check cabling to
plant.
2.8006.640
384
AL Wiring TOP 4 Alarm configuration; Short
circuit or wire break on
transistor output, plant-side 4
(TOP 4).
Check cabling to
plant.
2.8006.641
390 AL MCR exceeded Alarm configuration;
DBR/MCR function: MCR
has been exceeded.
1. If alarm is only
temporary, no
action required;
2. if alarm is
continuously
active, contact
Service.
1.1085.009
392 HI T-Coolant Redundant Alarm configuration limit
value 1; Preliminary
warning: Redundant coolant
temperature reading too high.
1. Check cabling
2. Contact
Service.
2.0129.931
393 SS T-Coolant
Redundant Alarm configuration limit value
1; Main warning: Redundant
coolant temperature reading
too high; Engine stop.
1. Check cabling
and sensor.
2. Contact
Service.
2.0129.932
394 LO P-Lube Oil
Redundant Alarm configuration limit
value 1; Preliminary warning:
Redundant lube oil pressure
reading too low.
1. Check cabling
and sensor.
2. Contact
Service.
2.0112.921
395
SS P-Lube Oil
Redundant Alarm configuration limit value
2; Main warning: Redundant
lube oil pressure reading too
low.
1. Check cabling
and sensor.
2. Contact
Service.
2.0112.922
396 AL T-Coolant Max
Deviation Alarm configuration; Maximum
coolant temperature deviation. 1. Check cabling
and sensor.
2. Contact
Service.
1.8004.626
397 AL P-Oil Max Deviation Alarm configuration; Maximum
lube oil pressure deviation. 1. Check cabling
and sensor.
2. Contact
Service.
1.8004.625
400 AL Open Load Digital
Input 1 Alarm configuration; Line
disruption on digital input 1;
Cabling faulty or no resistance
over switch.
1. Check cabling
2. Check input of
target device.
3. Contact
Service.
2.8006.625
M015715/00E 06-08 © MTU