Saloon Door Defects

Question 1

How long will a tone sound for on a defective door?

Answer 1

60 seconds

Question 2

How do you become aware that a door defect exists?

Answer 2

FDCL
passenger or station staff tell you
Observation of train
Observation of passengers having trouble with a door

Question 3

What can cause a FDCL? (7)

Answer 3

Open circuit in the train cable
Marker light switch in wrong position in trailing cab
Defective coupler sensor
BVICS open in last motor
Doors failing to close
PLC in any trailing car
Aux or control CB tripped in trailing motor

Question 4

What does the door loop bypass key switch do?

Answer 4

Allows you to get traction power with a FDCL

Question 5

What do you do if you cannot rectify a FDCL?

Answer 5

Door loop bypass
Detrain passengers and shunt
TMM

Question 6

If one door is defective, what is most likely the problem and how do you fix it?

Answer 6

Mechanical and need a cable tie

Question 7

If a whole side of doors is defective what is the problem and what do you need to check?

Answer 7

Electrical or pneumatic. Need to check switches and CB above door 3 and the isolating cocks in the Underframe. Need RTA

Question 8

If the all the doors on a car are defective, what could the problem be?

Answer 8

Pneumatic or electrical. Need to check iso cocks including door systems and CB in door 3 and aux CB

Question 9

If all the doors on the whole train are defective what do you need to check?

Answer 9

The Aux control CB

Question 10

What do you do if the doors fail to open?

Answer 10

Assume they are held closed with pneumatic pressure and the door iso cocks need to be turned