LS-XGT servo drive maintenance
Model: XDA-N001
Fault phenomenon: over current alarm
Failure analysis: customer to our company to repair a LS servo drive, the original fault is the flow of the alarm, and now even the display is not normal. Open that other companies have repaired, many IC chips are passive, which has a TNY277GN chip for TNY277CB, because the suffix leads to different LS drive without maintenance, display is not normal, we detected a replacement for the original type of engineer after the display is normal, but is connected with the servo motor operation or display overcurrent alarm, the detection of current detection optocoupler A7840 is damaged, replacement of all normal.
Fault repair: replacement of A7840, TNY277GN after the normal.
LS servo drive common faults: no show, phase, over current, over voltage, under voltage, over heat, over load, ground, parameter errors, there is no output, module damage, etc..
Jia Hong Wei repair service hotline: 0755-28916839, 13640994287 Shaw