SMETS1 IHD

When my SMETS1 metter becomes smart again will I need a new IHD? Or will the old one come back to live?
Thank you,

Does any off the staff peruse these threads?

Does any off the staff peruse these threads?

I’m sorry to say their absence is quite obvious these days.

When my SMETS1 metter becomes smart again will I need a new IHD? Or will the old one come back to live?

It will come back to life.

In fact, it ought to still be working aside from the tariff information being wrong. The usage in kWh should still be correct.

Thank you,