Mine is in Mae Hong Song for the next couple of weeks.

Aircon spits water

 

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Maybe Drain is blocked. Blow back up the pipe from outside to clear it. Beware it's gonna wet the unit inside. 

had similar problem and the drain was blocked, next to the unit there's a pipe connector easy to remove, hoping you have great lungs allowing you to blow air inside that pipe, try a couple times until the air flows easily and it will be fine for another year or so, (better clean the end of the pipe before blowing, sometime it has leftover dirt) good luck, mine worked out well

Algae can form a plug that blocks the drain line. Especially common in drain lines with a long 4+ meter run with insufficient slope.

 

 

 

 

 

if it reblocks and u can get inside there's some sort of tray which gathers water and the drainpipe runs from it.

A common blockage point is the outlet from the tray.

But blowing may well clear at least a while.