20 Most Recent Mitsubishi Mr. Slim MXZ30TN Air Conditioner Questions & Answers


I had the same problem and I found it was that another unit had the heat running while I was trying to run AC on another (they're both attached to the same condenser) so it could only run heat or AC not both. Turn off the heat!

Mitsubishi Mr.... | Answered on Jun 29, 2019


Pls put the vane on the position 2 and then manually turn the vanes to desired position it will not move until the time you turn the power off and you can enjoy the benefits of Mr slim....

Mitsubishi Mr.... | Answered on Feb 21, 2019


Likely the liner of the duct. Possibly a poor seem that is peeling up, possibly a rodent has gotten inside and chewed up some of the pieces. Either way, yes, more money. Possibly needs a duct cleaning, maybe some new duct, tough one. Best Wishes!!

If you need further help, reach me via phone at https://www.6ya.com/expert/thomas_092728000e6acb79

Mitsubishi Mr.... | Answered on Dec 31, 2017


Those blink is a code and you can look at the unit wiring diagram section and it would tell you what those code mean

Mitsubishi Mr.... | Answered on Dec 28, 2017


Code E6
Error detail Indoor/outdoor unit transmission error (signal receiving error).
Inspected unit Indoor.

Air Conditioning Fault Codes

Mitsubishi Mr.... | Answered on Dec 07, 2017


Compressor is likely shorted to ground. With a multimeter you could ohm the compressor to verify. With power off remove wires at compressor. Test each leg to ground or metal or a piece of copper. Continuity would confirm a grounded compressor. Warranty, age and cost would determine next step.

If you need further help, reach me via phone at https://www.6ya.com/expert/thomas_092728000e6acb79

Mitsubishi Mr.... | Answered on Jul 09, 2017


you dont have enough fall creating a water trap which breeds bacteria into a green slim ball blocking drain you need to chop more brick wood what ever the pipe drain go through so there is very good fall problem solved the pipe being blocked causes water to back up these heads can loose 4 ltrs an hr in qld not sure on other state hope i was some help
regards john
john@topnotchelectrics.com.au
topnotchelectrics.com.au

Mitsubishi Mr.... | Answered on Jun 25, 2017


On the data plate for the outdoor unit it will tell you what type and how much refrigerant you need. If the line set is longer than 25 feet you will likely need a bit more than what it says. A 40 degrees evaporator temperature is ideal, approximately 65 psi for r22

If you need further help, reach me via phone at https://www.6ya.com/expert/thomas_092728000e6acb79

Mitsubishi Mr.... | Answered on Mar 31, 2017


make sure you have freon in your system. they act as a heat pump which does A/c as well s heat. without freon you want have cooling or heat.

Mitsubishi Mr.... | Answered on Feb 11, 2017


It requires surgery to remove the beeper :) seriously, find a local nerd to go in, not hard to do, and yank out the little piezo buzzer. I've had customer that wanted the same, factory said sorry no dice.

Mitsubishi Mr.... | Answered on Oct 15, 2016


Reason for water leaking.
1. Filter block. 2. Cooling coil block. 3. Alignment of indoor a/c unit is sloping downwards. 4. Drain pan block. It's advisable to service your unit first.

Mitsubishi Mr.... | Answered on Jul 07, 2016

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