Mitsubishi Mr. Slim MXZ30TN Air Conditioner "black stuff" Questions

...black stuff all over my rooms? that is foam insulation around the seal of the evaparator box pull the unit from the wall remove the cover to get to it and clean or replace it I'm having the same ...

...black soot stuff on couch and table . Removed cover and this soot like stuff is on the interior of a/c.what is it? If its a thru the wall or a window unit, they have a foam air filter, and the ...

...black soot looking stuff, and it smears when touched, and my filter is clean. What is it? And how can I get it to stop? Carol, the first thing I would suspect would be mold in the insulation within ...

...black soot looking stuff and see if it will disappear. If it does, it is mold. Bleach will kill the mold. If these are gas heaters you need to call a service man NOW. Black soot is a sign of gas ...

Fijitsu halcyon inverter smells moldy and spit out black stuff looks like mildew Needs a clean out . Get it serviced

what is the black stuff blowing out of vents? Mold. Moldy dust. You need to clean your unit.

Blows out black spongy looking stuff from inside. I clean the filter weekly. filter is degrading and is coming out from inside the unit , replace filter with new one

...BLACK CHUNKS FLYING OUT . What can I do to prevent this? remove front cover and clean the coils off with a nylon brush. make sure filter is clean. with front cover off take it outside hook it to an ...

black stuff blows out it feel like foam filter is not foamthatiwash Order a filter replacement... Your filter sounds as though it's so old that it's disintigrating and bits of it are being pulled into

...up and carefully cleaning the entire insides, cleaning or replacing air filters, etc. If you continue to get black stuff, look inside and see where it's coming from. The blower motor may be going