Try yet another setting for the bloody A/C ⇒ Had to go to a target temperature of 26 deg C (up 10 deg from previous setting) to avoid ice-built-up within minutes.

Icing on A/C again. Shut down n0001-n0008, let it thaw o/n.

Iced again. With ~98% relative humidity possibly not surprising. Too hot, too humid, too windy, too real life, we can't stabilize the bloody thing …