XTrap Fault Lights

Question 1

MAJOR FAULT

Answer 1

CB has tripped

23Q1&2

25,30,33, 36 in lead

25Q1 BCU in all MT

Question 2

AUX FAULT

Answer 2

One or more SIVs not operating

Lost 1 SIV on 3 car - 1 HVAC, 1 air comp

Lost 2 SIV on 3 car - 400 vAC equip - 60 min battery

Fix - if no CB tripped attempt stable

Question 3

AIR COMP FAULT

Answer 3

One or more not operating

Lose 1 - other takes over

Fix - Monitor MR
CB inaccessible to driver
If compressors not running attempt stable

Question 4

SERVICE BRAKE FAULT

Answer 4

One or more faults in service brake

Possible Reduced brake performance

Fix - Trip/reset 25Q1 (prep)
Train set to 1 and release/ apply brake

Doesn’t fix - stable

Question 5

TRACTION FAULT

Answer 5

Traction fault in this car

TCU will isolate fault
- no amps on gauge
- no traction on lead

Fix - stable
- MC to COAST and turn traction isolation switch to isolate

Question 6

TWO HVAC STOPPED

Answer 6

Two stopped in one or more cars

No AC / ventilation

Fix - check HVAC switch on
- stable

Question 7

MAJOR 2ND LEVEL FAULT

Answer 7

CB has tripped

Lead - 10Q1, 10Q2, 22Q11, 30Q2,

T Car - 10Q1, 22Q5, 21Q9.1, 21Q9.2,

M Car - 22Q6

Question 8

BATTERY CHARGER FAULT

Answer 8

Battery charger not operating

60 mins of battery power

Emergency lights only

If lead unit no volt on meter

Fix - if no CB tripped attempt stable

Question 9

LOW PRESSURE MR

Answer 9

Main Res pressure below 650kPa

Safety loop will open fall 580kPa
Safety loop will close rise 650kPa

Fix - monitor MR
- check for leak
- check air compressors
- isolate leak and manually release SPB
- safety loop bypass if req.

Question 10

1 OR MORE BRAKE EQ FAULT

Answer 10

1 or more brake equip fault

Reduced brake performance
Possible NO service brake on one or more cars

Fix - Trip/reset 25Q1 (prep)
Train set to 1 and release/ apply brake

Doesn’t fix - stable

Still have ‘em. Brake
Will illuminate with service brake fault

Question 11

1 OR MORE TRACTION EQ FAULT

Answer 11

Traction fault somewhere on train

TCU will isolate fault

Fix - stable
- if time permits check each M Car for traction fault light and isolate

Question 12

ONE HVAC STOPPED

Answer 12

One HVAC stopped in one or more car

Question 13

MINOR FAULT

Answer 13

CB has tripped

Applicable CBs inaccessible to driver

Question 14

24 V CONVERT FAULT

Answer 14

One or more 110/24v converter not operating

Lose function of 24vDC equip.

If at least 1 converter working on 3 car unit, won’t lose equip.

Question 15

LOW PRESSURE BP

Answer 15

Brake Pipe pressure below 430kPa

Safety loop open at 300kPa and close when rises to 430kPa

Traction available at 480kPa

Fix - check trainset in 2
CB inaccessible to driver
Safety loop bypass if required

Question 16

VIGILANCE FAULT

Answer 16

VICERS fault has occurred in this car

Isolate VICERS

VICERS recorder will still operate and fault light will remain on.

Question 17

SPEED INPUT FAULT

Answer 17

1 or more Tacho Cables/unit inoperative

Speedo fails
May lose Speed Threshold

Check CBs in T Car
- stable
- operate Tacho Bypass

If at least one working on 6 car speed threshold OK

Question 18

PARK BRAKE APPLIED

Answer 18

One or more applied on the train

Sluggish train
Sticking brakes

Locate / check for MR leak
Manually release