Flashing display when charging

When I charge my Twizy (2012) the display some times flashes rapidly and other times the display does not come on at all. When I put in the key and turn on the ignition, the display comes on as it should and shows the charging progress with the battery and all that.

The charging fan comes on as it should, so that’s how I check that it charges when the display won’t light up. I got a new 12V battery two months ago and that didn’t help.

The Twizy has driven 20.000 km so far.

Has any one else experienced this or know what could be wrong?

I appreciate all answers.

Thanks!

See slow charging thread and check supply voltage.