Question about Mitsubishi Heating & Cooling

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Why does my Mitsubishi ductless air conditioner drop black particles

Posted by Richard Buskey on

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2 Answers

Julia Go

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Hi Richard, I hope by now you have cleaned or filters or replaced them altogether if you couldn't see light through them.
Read this article on how to clean ducted air conditioner filters to go through all the proper steps. Do remember to do this every 3 to 4 months for top results.

Posted on Apr 28, 2020

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Thomas Woodburn

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  • Mitsubishi Master
  • 2,410 Answers

It's likely being overworked and therefore growing mildew on the fins. Clean the filter and rinse the coil with mild soap/water mix. Wipe down the unit with a damp rag.

Posted on Jul 19, 2019

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5 Related Answers

Anonymous

  • 638 Answers

SOURCE: Fedders Air conditioner

e5 is comp overload code . if you have infared remote for indoor units point at anyone while pushing all 3 buttons at the same time- 'mode' 'temp up' temp down' this will bring up OO where temp set point is normally displayed. scroll up or down with temp up or down buttons (1st digit only) untill you here the beeping sound change tone, this is the 1st part of the fault code. press mode once to change to 2nd digit, scroll again with up and down listening for change of beep- 2nd part of code ie "E5". press mode again will bring up afunny looking T-test mode. press mode again to exit. THATS VERY ACCURATE SOLUTION.SAVE IT FOR FUTURE.WISH U SUCCESS .REPLY FOR FURTHER ASSISTANCE IF REQUIRED.BYE

Posted on Jun 07, 2008

Mike Phillippi

  • 434 Answers

SOURCE: I have a ductless AC iclcles growing from it

Ice means coolant is low

Posted on Jun 23, 2009

projdoc

jasbo

  • 2239 Answers

SOURCE: black particles coming out of the room air conditioner

dirt, dust, or mold. could also be the tubing insulation flaking off. either way, open it up and clean it out. the dirt, dust, and flaking insulation can restrict air flow through the coils and cause the ac to not function properly. if it is mold, it's can cause sickness (legionaire's disease). do not use chemicals on the coils. it might be best to replace the ac alltogether. to prevent mold: when installing the ac, make sure the unit is slightly tipped towards the outside. any condensation that collects on the coils will drain out. failure to do so will result in water pooling inside, and this can cause mold.

Posted on Jul 30, 2009

hmlee390

  • 736 Answers

SOURCE: how to pump down a ductless air conditioner split unit to remove

if the unit contains R12 or R22 you are not permitted by law to do the work yoiurself .. you have to have a "certified" person to reclaim the freon ... you might be able to get away with removing R134A (check local law) if thats what it has ... there is a service port that you can hook gages/hoses/vacuum pump up to .. (if not, then one must be added, usually in the form of a saddle valve that penetrates a low side feed pipe ... you should vent it into an approved tank or bladder (like a big balloon) for disposal or reclamation .. there may be a community service in your area that comes out and reclaims freon from old refrigerators and such .. in my area there is a free service that will reclaim the refrigerant and take away the old equipment .. i think its free or low cost .. some people simply vent R134 to atmosphere but that is polluting and may violate some laws .. R134 was thought to pose little hazzard but that is being reconsidered now in many countries

you can become certified yourself by attending a class and taking an exam that shows you understand the dangers and are aware of the law ..

Posted on Aug 20, 2009

heatman101

D. Floyd Kolb

  • 43501 Answers

SOURCE: MMy Mitsubishi Mr. Slim Air conditioner is

Hi,
Here is where you can find all the info you will ever need about Mitsubishi Air Conditioning units...
Check out this tip that I wrote about that...

Mitsubishi Air Conditioner Troubleshooting and Repair
http://www.fixya.com/support/r5643983-mitsubishi_air_conditioner

heatman101

Posted on Aug 20, 2010

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