doors

Question 1

when do you get FDCL

Answer 1

door fails to close
circuit breaker auxiliary or control in trailing cab
open PLC above door 3 somewhere (extinguished light if it’s the lead)
seconds BVICS open
marker lights in trailing motor
coupler sensor fault
open circuit in train cable

Question 2

one door defective

Answer 2

mechanical
use your cable tie / temporary locking device

Question 3

one side of doors

Answer 3

could be electrical or pneumatic
check the switch above door 3
then check the pneumatic cock

Question 4

all affected

Answer 4

auxiliary CB?
electrical or pneumatic
check switch and cocks

Question 5

doors fail to open

Answer 5

turn the IC off