Harmonic testing

The first unit pair of the day comprised of units AM 279 and AM 266, seen here arriving at Papakura shortly after 5am. This is currently the most units ever out at one time, with twelve units in six trains making several runs during the early hours

13 July 2014

Staff change ends prior to departure ten minutes later

13 July 2014

AM 266 on possibly its first visit to Papakura, and just a few days after the first unit arrived at Papakura

13 July 2014

AM 266 awaits departure from Platform 2

13 July 2014

AM 266 departs Papakura as another unit waits in the distance

13 July 2014

The second train comprised of serviceable units AM 253 and AM 129

13 July 2014

AM 129 leads the return train from Papakura to Britomart via Glen Innes, a route that the EMUs may not run in service

13 July 2014

AM 129 shortly before departure from Papakura

13 July 2014

The third train, composing of AM 185 and AM 225

13 July 2014

AM 294 pauses at Homai with an unidentified unit paired with it

13 July 2014

Shortly behind it is AM 198, seen here not quite making the platform at Homai, although fine for passengers

13 July 2014

AM 198 stops at Homai

13 July 2014

Northbound, AM 172 and AM 240 skipped the Homai platform and instead stopped at the signal. Here, the pair is seen with both pantographs down as the train is rebooted

13 July 2014

The pair seen again, with pantographs up as the train's software restarts. It's not yet known what happened to the units

13 July 2014

After the failed train is cleared, AM 266 and AM 279 return through Homai, with DFB 7160 in charge of a delayed train 248 heading in the other direction

13 July 2014

DFB 7160 crosses the AM pair at Homai. Train 248 was held up for at least half an hour at Te Mahia by the disabled units

13 July 2014

With the sun now up, AM 198 stops briefly at Sylvia Park

13 July 2014

AM 238 trails the train as it and AM 198 depart Sylvia Park

13 July 2014

Between Otahuhu and Britomart, the units were mixing with early morning suburban diesel services, including this one run by ADL 808

13 July 2014

An unidentified pair of units pass Judges Bay, heading for Orakei

13 July 2014

A few minutes later, AM 266 and AM 279 pass through the same area heading for Britomart

13 July 2014

AM 266 and AM 279 cross the bridge adjacent to Tamaki Drive, reflecting the in the almost still water

13 July 2014

Another pair of unidentified units pass through the picturesque Orakei Basin

13 July 2014

The serviceable units, AM 253 and AM 129, stop at Orakei Station

13 July 2014