MTU 12 V 4000 G73 Operating Instructions Manual page 72

373 – AL Wiring TO 3
Cause
Alarm configuration; Short
circuit or wire break on
transistor output 3 (TO 3).
374 – AL Wiring TO 4
Cause
Alarm configuration; Short
circuit or wire break on
transistor output 4 (TO 4).
381 – AL Wiring TOP 1
Cause
Alarm configuration; Short
circuit or wire break on
transistor output, plant-side 1
(TOP 1).
382 – AL Wiring TOP 2
Cause
Alarm configuration; Short
circuit or wire break on
transistor output, plant-side 2
(TOP 2).
383 – AL Wiring TOP 3
Cause
Alarm configuration; Short
circuit or wire break on
transistor output, plant-side 3
(TOP 3).
72 | Troubleshooting | MS150029/02E 2013-03
ZKP-Number: 1.8004.636
Corrective action
u -
ZKP-Number: 1.8004.637
Corrective action
u -
ZKP-Number: 2.8006.638
Corrective action
u Check cabling to plant.
ZKP-Number: 2.8006.639
Corrective action
u Check cabling to plant.
ZKP-Number: 2.8006.640
Corrective action
u Check cabling to plant.