MTU 12 V 4000 M23F Operating Instructions Manual page 137

381 – AL Wiring TOP 1
Line disruption on digital input 1
Yellow alarm; warning
Cause
Short circuit or wire break on
transistor output, plant-side 1
(TOP 1).
382 – AL Wiring TOP 2
Line disruption on digital input 2
Yellow alarm; warning
Cause
Short circuit or wire break on
transistor output, plant-side 2
(TOP 2).
383 – AL Wiring TOP 3
Line disruption on digital input 3
Yellow alarm; warning
Cause
Short circuit or wire break on
transistor output, plant-side 3
(TOP 3).
384 – AL Wiring TOP 4
Line disruption on digital input 4
Yellow alarm; warning
Cause
Short circuit or wire break on
transistor output, plant-side 4
(TOP 4).
ZKP-Number: 2.8006.638
Corrective action
u Check wiring to plant.
ZKP-Number: 2.8006.639
Corrective action
u Check wiring to plant.
ZKP-Number: 2.8006.640
Corrective action
u Check wiring to plant.
ZKP-Number: 2.8006.641
Corrective action
u Check wiring to plant.
MS150068/01E 2014-01 | Troubleshooting | 137