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Mitsubishi Mr. Slim Model # PLA-A12AA Error Code 6 No Comm? Now What?

Checked connections from Condenser to AHU, all tight. Found LED # 3 on AHU not blinking or even lit. Need to check further w/meter but what specifics should I look for, thanks again.

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SOURCE: Mitsubishi Mr Slim air conditioner

get model and serial #s and look up unit for diagnostic codes

Posted on Nov 26, 2008

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SOURCE: Mitsubishi Mr slim Airconditioner error check P8

I Have same problem

Posted on Sep 28, 2009

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1 Answer

Mr. Slim aint cool!


Unit short of refrigerant or outside condenser very dirty. Clean outside thoroughly and make sure there is plenty of warmth coming from it when working.

Jul 07, 2012 | Mitsubishi MSZ-D30NA Mr. Slim Wall Heat...

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What does error code E6 mean? On a Mitsubishi Mr. Slim A/C


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

Air Conditioning Fault Codes

Aug 01, 2011 | Mitsubishi Mr. Slim MXZ30TN Air...

2 Answers

P8 showing on air cond and air con is not working


P8-Abnormality in outdoor unit.

Solution:
1) Check the indoor/outdoor connecting wire in proper point.
2) Change the connection of electric wiring, if reversed phase.
3) Check the protection device, if malfunction, replace it.
4) Measure the resistance of the outdoor coil thermistor.
If the resistance is normal, replace the
outdoor controller board
Thanks.

Feb 05, 2011 | Mitsubishi Mr. Slim MXZ30TN Air...

1 Answer

I have a Mitsubishi electric Mr Slimair conditioning. It runs a few minutes in cool mode, then it stops and an error of P8 code appears. When it runs, the fan is not strong.


P8-Abnormality in outdoor unit.
1) Wrong wiring of indoor/outdoor
connecting wire
2) Reversed phase
3) Protection device is working
4) Damaged outdoor coil thermistor

Solution:

1) Check the indoor/outdoor connecting wire.
2) Change the connection of electric wiring.
3) Check the protection device.
4) Measure the resistance of the outdoor coil thermistor.
If the resistance is normal, replace the
outdoor controller board.

Hope,it's helpful.

Jan 15, 2011 | Mitsubishi Mr. Slim MXZ30TN Air...

1 Answer

We have a Mitsubishi Mr Slim air conditioning unit, i've checked the circuit breaker, the remote works but the unit will not engage.


DOES IT DO ANYTHING I THINK ON THE RIGHT SIDE IF YOU HAVE YOU BOOK IT FLASHES ERROR CODES IF YOU HAVE THE COVER OFF

Sep 18, 2010 | Mitsubishi Mr. Slim MXZ30TN Air...

1 Answer

Eo error code indoor unit runs 2-3 seconds then gives eo error code problem started when mr chipmunk chewed mr slims 12 volt wire connecting to out door unit and shorted it . Outdoor unit has bad control...


You need a professional here. Once this has been repaired, I would suggest running the wiring to the outdoor unit inside some sort of piping to protect it.

Jul 20, 2010 | Mitsubishi Mr. Slim MXZ30TN Air...

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Mr Slim Model PEH3VK no air in one zone.


The Zone controller needed replacing so I rang for a Serviceman

Jul 06, 2009 | Mitsubishi Heating & Cooling

1 Answer

P8 eroor code


P8 error is abnormal pipe temperature indoor. If you are running it on heating P8 error will appear because the disc pressure is too high. It could be overcharged.

May 31, 2009 | Mitsubishi Mr. Slim MXZ30TN Air...

2 Answers

No heating from Mr slim


P8 refers to outdoor protection device activation usually caused by low gas charge or blocked condenser coil. any good a/c company can resolve this for you. however please note that if it is gas related a pressure test must be carried out to determine where that potential leak may be and that can be very costly.

regards

Ed

Nov 13, 2007 | Mitsubishi Mr. Slim MXZ30TN Air...

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