They have a Rating plate - usually a sticky label - it carries compliance information - power consumption - model number and serial number - it will be on the rating plate.
The "plate" is nearly always placed in a position where the user can see it from the front - but you may have to crouch or bend to see it.
As for the "problem" are you talking about the UK Beko fire-risk issue... if so... https://refsafety.beko.co.uk/
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