Siemens Faults Flashcards
Stabling during fault rectification, what three things will you lose?
(3 answers)
• Marker lights and saloon lights are extinguished, including emergency lighting
• PA
• Saloon Doors lock
How long should the train remain stabled for?
2 Minutes
Which fault lights will allow the driver to know where the fault is located?
• Unit 1
• Unit 2
True or False
The general fault light will illuminate if there is a fault in the sub system if the train requires maintenance?
True
Three possible causes of a critical defect lights?
• Critical fault in the pneumatic friction brake system
• Complete loss of aux power in a unit where both SIVs are defective
• Defective wheel slip unit affecting sander operation
If a critical defect occurs, how should the driver operate the train? (3 answers)
• Operate at Low speed
• Detrain passengers at first available station
• Shunt to nearest siding
After a critical defect occurs and it is not possible to move the train, what would a driver need to inspect? (2 answers)
• Friction Brake and Monitoring MCB in all cars of affected unit
• Static inverter monitoring MCB in trailer car
What does the reduced performance fault light indicate?
One or more motor cars are failing to deliver traction power
If a reduced performance fault light illuminates in the lead cab, how can the driver identify it is in the lead car
The car with the defect within be identified with Traction system fault light illuminated
What is the minimum traction effort required?
50%
How can a driver attempt to rectify a wheel slide event when powering?
Move master controller handle to “0” for 2 seconds
Reduced performance will extinguish then resume powering
True or False
Illuminated maintenance fault light, will affect the safe operation of a train?
False
What will be the effect if an attempt is made to activate a second cab?
• Another active cab illuminates in both cabs
• Buzzer sounds in cab where attempt is being made to activate
If there is another cab active fault that cannot be rectified, what can the driver do?
Trip cab/train manned MCB in the affected motor
Report defect to TC
If the DTRS is inoperative in the active cab, how can the driver attempt to reset the DTRS?
• Deactivate cab
• Trip and reset the DTRS MCB
• Activate the cab
• Re-enter a TDN into the head unit of the DTRS.
• Conduct a Radio test
• Submit a TMM to the Train Controller at Metrol indicating Rectified in Running if satisfactory.
If both PA and DTRS PA are inoperative can the train remain in service?
No
If there is a failure of the CCTV PIDS or PA, which MCB can be tripped and reset?
DC-DC inverter PA, PI display MCB
During train start up, if none of the pantos raise what would be the problem?
Circuit or lack of battery power
What indication would the driver get in the cab if one panto fails to raise?
The Panto raise button will remain illuminated
During train start up, if none of the pantos raise, what MCB needs to be reset?
Panto control MCB
If the EP brake fails to release during powering or coasting, which light will illuminate on the fault panel?
Brake on
True or False
A driver can identify that a park brake has failed to release if the PB turret is illuminated regardless of position?
True
During a stable, if all pantos fail to lower, which MCB would the driver inspect?
(3 answers)
• Train Stable, HSCB & Light control MCB (local driving cab)
• Shutdown delay MCB (T car)
• TCU MCB
True or False
If all panto fail to lower during a stable, the TCU MCB would be tripped prior to attempting again?
True
If one panto fails to lower when the panto down button is pressed, what actions would the driver take?
Inspect Panto Motor MCB in the affected motor
• If it is tripped, reset
• If it is already set, trip, and reset,
• Push the Panto lower button
How is panto isolated?
• Master Key Switch is OFF position
• Press Train Stable button.
• Trip Panto Motor MCB on the affected motor
• If required, lower the defective pantograph by the use of the crank hand clockwise direction.
• Insert the Master Key into the Master Key Switch and turn ON.
• Press the Pantograph Up button.
Ensure the defective Pantograph has remained lowered.
• Complete a TMM and advise the Train Controller at Metrol.
If both SIV’s fail on 3 car unit, what equipment will be lost?
(4 answers)
• Battery Charger
• Air con
• Air compressor
• Half drivers cab light
(Emergency lights available)
The SIV’s will not be started if the battery charger has not risen above what voltage?
82 V
What steps need to be followed to manually start the SIV’s?
- Press the Train Stable button
- Trip the Panto Motor MCB
- Raise the local panto manually using the crank handle.
- Exit the driving cab and proceed to the A side of the trailer car.
- Insert the Triangle key into the central lock (small rectangular box) on the SIV.
- Turn the key and remove cover.
- Press the white button (excite button).
- Replace cover and lock box.
- Return to the driving cab and activate the cab.
- Reset Panto Motor MCBs
- Push the Pantograph Up button
True or false
The DCU isolates a door due to a defect, the door system isolate will illuminate?
True