Many Kosner units are basic non-inverter or fixed-speed inverter units. The following generic manual covers 90% of functions:

Search this exact phrase:

"Split type air conditioner owner's manual" generic

Or download the Midea MSAB series manual (English) – it matches most Kosner remotes and wiring.

Manual Solution: For portable units, the internal condensate tank may be full. Locate the drain plug at the bottom rear. Drain into a pan. For window units, check that the rubber drain plug on the back corner is not inserted (the manual states to remove it for high humidity areas).

Kosner produces two main types. The manual distinguishes between them clearly:

For Window Units:

For Portable Units:

Many budget import units ship with a generic multi-language booklet where the English section is tiny or pixelated. If you cannot find a clear Kosner air conditioning manual English version, do the following: