Operation A Ending (in Arno loco only)
ABNORMAL SIGN
While reclosing DJ, LSDJ extinguishes, UA meter deviates, LSCHBA not extinguishes and DJ trips before releasing BLRDJ.
CAUSES:
Defective ARNO or defective QCVAR.
Troubleshooting
a) Check for any smoke, burning smell, fire or any abnormality from ARNO and relay QCVAR. If there is any abnormality, contact TLC for advice.
b) If there is no abnormality, place HQCVAR on 0.
c) Close DJ and release BLRDJ/Additional BLRDJ/BP2DJ promptly 4 seconds after extinguishing of LSDJ (LSCHBA will not extinguish).
d) If DJ holds, check the charging of battery in CHBA ammeter and working of ARNO frequently on run.
NOTE: Check the BA voltage frequently, in DJ open and closed condition to ensure the working of CHBA
ABNORMAL SIGN
While reclosing DJ, LSDJ extinguishes, UA meter deviates, LSCHBA not extinguishes and DJ trips before releasing BLRDJ.
CAUSES:
Defective ARNO or defective QCVAR.
Troubleshooting
a) Check for any smoke, burning smell, fire or any abnormality from ARNO and relay QCVAR. If there is any abnormality, contact TLC for advice.
b) If there is no abnormality, place HQCVAR on 0.
c) Close DJ and release BLRDJ/Additional BLRDJ/BP2DJ promptly 4 seconds after extinguishing of LSDJ (LSCHBA will not extinguish).
d) If DJ holds, check the charging of battery in CHBA ammeter and working of ARNO frequently on run.
NOTE: Check the BA voltage frequently, in DJ open and closed condition to ensure the working of CHBA
