Disastrous 1 1

I purchased this product in supermarkets.
After 2 weeks, the engine is allowed to warm, HS unit.
I thought I had not followed the manufacturer's instructions. I bought the same. It lasted four weeks, even pb engine heats, HS.J'avais camera this time, scrupulously respected the manufacturer's instructions.
Do not buy especially not this humidifier, I think it is better to put the price up front.
Moreover, it is / was noisy ...