Descale indicator will automatically light up or not?

[chueh]

I got my APO not long ago, and wonder:

if I need to calculate the cooking time I’ve used and do descale process, or
There is an indicator lit up to tell me its’ time to descale?

Thanks

[JoeInOttawa]

Yep, a Descale light will appear on the handle.

[chueh]

great. thanks for reply