MTU 20 V 4000 G23, Technical Publication

Page: 93 / 178

88 Troubleshooting
Fault
code No. Designation Meaning Task
Related
parameter No.
401 AL Open Load Digital
Input 2
Alarm configuration; Line
disruption on digital input 2;
Cabling faulty or no resistance
over switch.
1. Check cabling
2. Check input of
target device.
3. Contact
Service.
2.8006.626
402 AL Open Load Digital
Input 3 Alarm configuration; Line
disruption on digital input 3;
Cabling faulty or no resistance
over switch.
1. Check cabling
2. Check input of
target device.
3. Contact
Service.
2.8006.627
403 AL Open Load Digital
Input 4
Alarm configuration; Line
disruption on digital input 4;
Cabling faulty or no resistance
over switch.
1. Check cabling
2. Check input of
target device.
3. Contact
Service.
2.8006.628
404 AL Open Load Digital
Input 5 Alarm configuration; Line
disruption on digital input 5;
Cabling faulty or no resistance
over switch.
1. Check cabling
2. Check input of
target device.
3. Contact
Service.
2.8006.629
405 AL Open Load Digital
Input 6
Alarm configuration; Line
disruption on digital input 6;
Cabling faulty or no resistance
over switch.
1. Check cabling
2. Check input of
target device.
3. Contact
Service.
2.8006.630
406 AL Open Load Digital
Input 7 Alarm configuration; Line
disruption on digital input 7;
Cabling faulty or no resistance
over switch.
1. Check cabling
2. Check input of
target device.
3. Contact
Service.
2.8006.631
407 AL Open Load Digital
Input 8
Alarm configuration; Line
disruption on digital input 8;
Cabling faulty or no resistance
over switch.
1. Check cabling
2. Check input of
target device.
3. Contact
Service.
2.8006.632
408 AL Open Load Emerg.
Stop Input ESI Alarm configuration; Line
disruption on the input for
emergency stop; Cabling faulty
or no resistance over switch.
1. Check cabling
2. Check input of
target device.
3. Contact
Service.
2.8006.633
410 LO U-PDU Alarm configuration limit
value 1; Preliminary warning:
Injector voltage too low.
1. Check cabling.
2. Check power
supply.
3. Contact
Service.
2.0141.921
411 LOLO U-PDU Alarm configuration limit value
2; Main warning: Injector
voltage too low.
1. Check cabling
2. Check power
supply.
3. Contact
Service.
2.0141.922
M015715/00E 06-08 © MTU