Operation - I
ABNORMAL SIGN:
DJ trips immediately after taking first notch.
CAUSES:
1. CCPT melting on first notch
2. Sluggish operation of SMGR
3. MVSI-1 not working or defective QVSI-1
4. MVSI-2 not working or defective QVSI-2
Troubleshooting
a. Ensure LSGR is glowing and pantograph is raised.
b. If LSGR is not glowing and pantograph also lowered condition, renew the CCPT and resume traction.
c. If CCPT melts again after taking first notch, place HOBA in OFF position and renew the fuse. If once again CCPT melts, renew the fuse, clear section with manual control of GR.
d. If CCPT is intact, Place HVSI-1 and HVSI-2 on 3 position, close DJ.
e. Check the working of MVSI-1 and MVSI-2.
f. If both MVSI-1 and MVSI-2 are not working, contact TLC for further instructions.
g. If MVSI-1 is not working, isolate RSI-1 block, by keeping HVSI-1, HVMT-1 & HVSL-1 on ‘0’ and resume traction with 50% of maximum permissible load with normal current rating.
h. If MVSI-2 is not working, isolate RSI-2 block, by keeping HVSI-2, HVMT-2 & HVSL-2 on ‘0’ and resume traction with 50% of maximum permissible load with normal current rating.
i. If MVSI-1 and MVSI-2 are working, take one traction notch.
j. 1) If DJ trips, it indicates sluggish operation of SMGR. Normalize HVSI-1 and HVSI-2 keep MP in N and clear section with manual control of GR with a speed restriction of 40 kmph.
After clearing the block section, stop the train and drain out the moisture from MR/ CR/AR and GR board pipeline and try.
2) If DJ does not trip, resume traction and troubleshoot as follows whenever time permits.
k. Stop the train, Open DJ, place HVSI-1 in 1 position, close DJ, and take one notch.
l. If DJ trips QVSI-1 is defective, place HVSI-1 in 3, normalize HVSI-2 and work further duly watching the working of MVSI-1 frequently.
m. If DJ holds, QVSI-2 is defective, retain HVSI-2 in 3 and work further duly watching the working of MVSI-2 frequently.
ABNORMAL SIGN:
DJ trips immediately after taking first notch.
CAUSES:
1. CCPT melting on first notch
2. Sluggish operation of SMGR
3. MVSI-1 not working or defective QVSI-1
4. MVSI-2 not working or defective QVSI-2
Troubleshooting
a. Ensure LSGR is glowing and pantograph is raised.
b. If LSGR is not glowing and pantograph also lowered condition, renew the CCPT and resume traction.
c. If CCPT melts again after taking first notch, place HOBA in OFF position and renew the fuse. If once again CCPT melts, renew the fuse, clear section with manual control of GR.
d. If CCPT is intact, Place HVSI-1 and HVSI-2 on 3 position, close DJ.
e. Check the working of MVSI-1 and MVSI-2.
f. If both MVSI-1 and MVSI-2 are not working, contact TLC for further instructions.
g. If MVSI-1 is not working, isolate RSI-1 block, by keeping HVSI-1, HVMT-1 & HVSL-1 on ‘0’ and resume traction with 50% of maximum permissible load with normal current rating.
h. If MVSI-2 is not working, isolate RSI-2 block, by keeping HVSI-2, HVMT-2 & HVSL-2 on ‘0’ and resume traction with 50% of maximum permissible load with normal current rating.
i. If MVSI-1 and MVSI-2 are working, take one traction notch.
j. 1) If DJ trips, it indicates sluggish operation of SMGR. Normalize HVSI-1 and HVSI-2 keep MP in N and clear section with manual control of GR with a speed restriction of 40 kmph.
After clearing the block section, stop the train and drain out the moisture from MR/ CR/AR and GR board pipeline and try.
2) If DJ does not trip, resume traction and troubleshoot as follows whenever time permits.
k. Stop the train, Open DJ, place HVSI-1 in 1 position, close DJ, and take one notch.
l. If DJ trips QVSI-1 is defective, place HVSI-1 in 3, normalize HVSI-2 and work further duly watching the working of MVSI-1 frequently.
m. If DJ holds, QVSI-2 is defective, retain HVSI-2 in 3 and work further duly watching the working of MVSI-2 frequently.
