Question about Mitsubishi Mr. Slim MXZ30TN Air Conditioner

2 Answers

Operating indicator light is flashing on Mr.Slim A/C

Posted by Anonymous on

  • Shani Pandey Jun 26, 2018

    Mitsubishi electric air conditioning this unit blinking light continue
    What a problem

  • Gokul Rock
    Gokul Rock Jun 29, 2019

    Light continue blinking

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2 Answers

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I just got the same problem, and the operation light is blinking 7 times.

Posted on Jul 09, 2017

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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!

Posted on Jun 03, 2014

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

francis rivero

  • 958 Answers

SOURCE: Right Indicator light blinks; left is solid; nothing in manual about this pattern

that is an error code.

count how many blinks after a pause and that would be the error code.

could be 4 , 5, 7, or 9.

you could reset it by un plugging or removing power for ten minutes and try it again.

if the problem would re-occur, then there is something wrong with the unit.

as it runs, observe everything and keep me posted. see if the fn outside is running, if the filter is clean, or if the compressor is running, etc.

tnx 4 using fixya,

drcool

Posted on Oct 04, 2008

Anonymous

  • 1 Answer

SOURCE: Mitsubishi Mr slim Airconditioner error check P8

I Have same problem

Posted on Sep 28, 2009

Anonymous

  • 207 Answers

SOURCE: Have a Mitsubishi Mr Slim and the indicator light

turn the power off to it by the breaker and let stay off for about 20 minutes if its a lil glitch usually his will resetit if not ur going to have to call a repairman these are not like ur usual units and no easy to work on even for a technician

Posted on Feb 26, 2010

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
https://www.fixya.com/support/r5643983-mitsubishi_air_conditioner

heatman101

Posted on Aug 20, 2010

AJMAL KHAN

  • 388 Answers

SOURCE: its not working and flashing P6. Its a Mr Slim

dear sir/madam i think.... mr Slim A control R407c & R410a systems.
P6 = indoor coil frost protection in cooling or indoor coil overheat protection in heating.

Cooling
One of the 2 indoor coil sensors reads minus 15 deg C for 3 mins.
Heating
One of the indoor coil sensors reads over 70 deg C.

If you are sure the refrigerant charge is correct & system operation is correct then it could be a coil temperature sensor reading wrong temperature.
If you have one of those little monitor things which plug into the outdoor circuit board you can monitor the indoor coil temperature.
On later type remote controllers you can get all operating data like temp sensor data but you will need a service manual to do this.
Or you can measure the ohms resistance of the temp sensors & compare with the chart in the service manual. if you can do it by yourself do if not then contatct ot mitsubishi maintenance personnnel for furhter action, thank you hope answer the question please vote!

Posted on Sep 23, 2010

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1 Answer

Indicator light


May be showing a fault code, you need to count how many times it flashes. Could also be a delay or de ice mode which will go away after a few minutes

Aug 05, 2013 | Mitsubishi Mr. Slim MXZ30TN Air...

1 Answer

Have a Mr Slim. Air comes out but not cool. The green light was flashing. Turn the unit off and then back on and it stopped flashing, but still not getting cold air. Cleaned out the filters as well


i have vast history with this type of unit its like working on a computer all controls are microprosser based send me m# and s# of indoor and outdoor units might be able to help.

Jul 03, 2011 | Mitsubishi Mr. Slim MXZ30TN Air...

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When i switch on the A\C it works for seconds then it stops the operation light flash and the indicator light goes off not flashing there is no air and the fan stop also


I would suggest you call a company trained on these, make sure the tech is Nate certified, I have worked on these and they are not fun to work on and are not something i would suggest you take on unless your performing maintenance related activity. it seems to be throwing a code or powering down by your description.

Oct 01, 2010 | Mitsubishi Mr. Slim MXZ30TN Air...

1 Answer

Its not working and flashing P6. Its a Mr Slim


dear sir/madam i think.... mr Slim A control R407c & R410a systems.
P6 = indoor coil frost protection in cooling or indoor coil overheat protection in heating.

Cooling
One of the 2 indoor coil sensors reads minus 15 deg C for 3 mins.
Heating
One of the indoor coil sensors reads over 70 deg C.

If you are sure the refrigerant charge is correct & system operation is correct then it could be a coil temperature sensor reading wrong temperature.
If you have one of those little monitor things which plug into the outdoor circuit board you can monitor the indoor coil temperature.
On later type remote controllers you can get all operating data like temp sensor data but you will need a service manual to do this.
Or you can measure the ohms resistance of the temp sensors & compare with the chart in the service manual. if you can do it by yourself do if not then contatct ot mitsubishi maintenance personnnel for furhter action, thank you hope answer the question please vote!

Sep 23, 2010 | Mitsubishi Mr. Slim MXZ30TN Air...

1 Answer

Have a Mitsubishi Mr Slim and the indicator light is on in Heat mode, but no heat


turn the power off to it by the breaker and let stay off for about 20 minutes if its a lil glitch usually his will resetit if not ur going to have to call a repairman these are not like ur usual units and no easy to work on even for a technician

Feb 23, 2010 | Mitsubishi Mr. Slim MXZ30TN Air...

1 Answer

Power light is flashing and it isnt working


A multi split system is it? One of the reasons why the light flashes is because one indoor unit is on cool and the other is on heat. Changing the one on cool (or on heat) will fix this. Both indoor units need to operate on the same mode.
Mat

Jul 20, 2009 | Mitsubishi Mr. Slim MXZ30TN Air...

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