MTU 20 V 4000 G23 Technical Publication page 93

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