Dishwasher salt light started staying on.

[charles]

Just like my late father's - in Edinburgh.

[Jethro_uk]

SW Brum has ridiculously soft water. Not a hint of scale on our kettle after 15 years use.

Returning to the OP, our salt light took 3 weeks to go off after buying the dishwasher (and we've had 3 in 3 months ..)