The new train timetable, to be introduced later this year, will add a fourth service an hour in the peak. There will be a service every 30 minutes outside of the morning and afternoon peaks.
By 5:30am on Wednesday morning, workers were finishing the final inspections on the defective train and repairing the overhead wires before the power could be switched back on.
It is significantly below the target to have at least 92 per cent of peak-hour suburban services arrive at stations within five minutes of their scheduled time
