QLA relay trips
Action to be taken
a) Check the auxiliary power circuit equipment for any smoke, burning smell, or fire (ARNO, all auxiliary motors, CHBA, cab 2 contactors panel & switch panel).
b) If any abnormality is noticed in any equipment, isolate the same and try to resume traction.
c) If no abnormality, reset the relay target close DJ and resume traction.
d) If QLA acts second time, check the auxiliary power circuit equipment for any abnormality. If there is any abnormality or not, do not reset the relay target, contact TLC for further instructions.
NOTE: QLA may also trip along with QOA or QLM.
Action to be taken
a) Check the auxiliary power circuit equipment for any smoke, burning smell, or fire (ARNO, all auxiliary motors, CHBA, cab 2 contactors panel & switch panel).
b) If any abnormality is noticed in any equipment, isolate the same and try to resume traction.
c) If no abnormality, reset the relay target close DJ and resume traction.
d) If QLA acts second time, check the auxiliary power circuit equipment for any abnormality. If there is any abnormality or not, do not reset the relay target, contact TLC for further instructions.
NOTE: QLA may also trip along with QOA or QLM.
