What does an E4 error message mean on air con?

Window Air Conditioner Squeaks in the Wind?

how to solve the problem when F8 error code in onida split air conditioner?

Air conditioning and heating problem?

copressor keeps cutting off?

How to fix FAULT E4 Units faults on elegance KYD-25?

Best source for parts?

Conia air con leaks water on the floor maybe 2006 model ?

Can I use my unit without using the Window Kit? It's a Medea made in china?

Air Force air conditioner ?

drain pipe?

i have a ford Mondeo 2007 the frost light is always on even when it is hot ?

It is about my Polti 2400 ?