Door Faults

Question 1

Door closed and inhibited

Answer 1

Grey

Question 2

Door closed but not inhibited

Answer 2

Green

Question 3

Door open

Answer 3

White

Question 4

Door failed (defective)

Answer 4

Red

Question 5

Door isolated

Answer 5

Yellow

Question 6

Unknown status

Answer 6

Empty

Question 7

How many times will a door attempt to close?

Answer 7

4

Question 8

When a door fails in open position what do you do?

Answer 8

Use CCTV to observe any obstruction

Make PA announcement asking passengers to remove

Question 9

If door remains open how do you manually close?

Answer 9

PA, TEC, Cab unattended

Close door … if won’t close …

Pull DER stage 1 and release

Wait 20 seconds

Pull DER stage 2

Grip each door and pull closed

Return DER to upright position and close cover

Turn Tri-key 90 deg. clockwise in mechanical door isolation port

Observe iso. lamp and door open buttons illuminated red

Push door open button to confirm door remains closed

Apply stickers

Check TMS door status to confirm door isolated

TMM

Question 10

What happens to DERs when door is isolated?

Answer 10

Internal and external DERs will not function

Question 11

If you are unable to manually close a door what happens?

Answer 11

Traction Interlock Bypass

Detrain passengers and shunt to nearest siding

Question 12

If you have to turn Traction Interlock Bypass what happens?

Answer 12

Run on secondary circuit pushing Safety System Bypass Acknowledge button every 30 seconds

Question 13

What does it mean if you get no/extinguished door close light?

Answer 13

An open cab door has been detected

Question 14

What happens if you have to go to rear cab how do you ensure cab door has been closed?

Answer 14

Activate cab and check door closed effectively on TMS pictogram

Question 15

When a DER is pulled how long do you have to press the DER Inhibit button

Answer 15

20 seconds

Question 16

Once you have pushed DER inhibit button how long do you have until door releases?

Answer 16

120 seconds

Question 17

What happens when an external DER is activated?

Answer 17

Traction unavailable

Question 18

How long does an external DER have to be pressed to release door?

Answer 18

10 seconds

Question 19

How long does the CAB EAD Override button work for?

Answer 19

5 minutes

Question 20

What happens in a Beacon Read failure?

Answer 20

Train doesn’t know how long platform is so won’t open first and last doors - grey

Question 21

During Beacon Read failure if first door has failed to open how do you deploy a wheelchair?

Answer 21

Use ASDC Override button if safe to do so

Question 22

What is ASDC procedure?

Answer 22

PA - short delay before doors released

SDU - observe cameras to ensure leading and rear cars aligned with platform

Door - open cab door on platform side to confirm platform available, close cab door

Button - press ASDC Override button on correct side
- Select first car
- Select last car
- Accept selection
- Check Green door indications on HMI are correct
- Press door release for platform side
- Report fault to Metrol