Door Systems

Question 1

Grey doors

Answer 1

Closed and inhibited

Question 2

Green doors

Answer 2

Closed but not inhibited

Question 3

White doors

Answer 3

Door open

Question 4

Red door inside train

Answer 4

Door failed in closed position

Question 5

Red door outside of train

Answer 5

Failed in the open position

Question 6

Flashing red door

Answer 6

DER pulled to stage 2 position

Question 7

Yellow doors

Answer 7

Door isolated

Question 8

Empty door

Answer 8

Unknown status

Question 9

What does the automatic selective door control (ASDC) do?

Answer 9

Prevents off side and off platform door releases

Question 10

If you overshoot the stopping mark by 10m or more, will the doors be available for use?

Answer 10

No, they are unavailable and remain grey

Question 11

What does the auto door inhibit do?

Answer 11

Prevents doors from closing after 60 secs

Question 12

What will the HCMT assume of the platform of there is a substandard beacon read?

Answer 12

Assumes the platform is shorter and will inhibit the first or last saloon door

Question 13

If one of the beacon readers fails, what is that referred to as?

Answer 13

A substandard beacon read

Question 14

How do you override the ASDC?

Answer 14

A - announcement
S - SDU (check cameras to make sure your on plat)
D - door - open cab door and confirm
C - cover - lift correct side ASDC cover and press

Question 15

After a DER is pulled, how long do you have to press the inhibit button? And how long does the inhibit last?

Answer 15

20 sec and 120sec

Question 16

How long do you have to press the cab emergency access device (EAD)?

Answer 16

10 sec

Question 17

How long does the cab release inhibit prevent the EAD from real Sri g the cab door?

Answer 17

5 mins

Question 18

When do the IFD close?

Answer 18

When smoke is detected or when the train is stabled