Meter switching nigh shift for 7h

I have problem with my meter which one is switching itself after 7h not 8h as should be.
https://photos.app.goo.gl/PvyW3hz2r6NZDiuC8

I have problem with my meter which one is switching itself after 7h not 8h as should be.

Wouldn’t it normally be just 7 hours as in Economy 7?

I have problem with my meter which one is switching itself after 7h not 8h as should be.

Wouldn’t it normally be just 7 hours as in Economy 7?

Yes I think so.