Question about Mitsubishi Mr. Slim MXZ30TN Air Conditioner

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Mitsubishi Mr slim Airconditioner error check P8

Have a Mitsubishi Mr Slim Cassette unit PUH-3YK has error message on keypad CHECK P8 can someone shed some light on what fault this message applies to

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  • amperaservic Feb 18, 2009

    It is running in cooling mode & have discovered that the compressor is siezed hence the abnormal pipe temperature fault thanks for help have ordered replacement compressor

  • ferasss Mar 06, 2009

    Hi;

    I have the same problem ,but when i start the AC its cooling for a few moments and then the error comes ..

  • luke bussenschutt May 11, 2010

    p8 = abnormality of pipe tempreature, when the problem occurs is it running on heating or cooling?

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I Have same problem

Posted on Sep 28, 2009

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I have the same problem with one of my installation building...out of 60 units i encountered 2 of them and thyis morning we check all of it. we dismantle also the evaporator and check it for any dirt on the filters all woring fine until i run it on and when it beginning to cool then i comes out the error and got an over charge reading on the gauge....

Posted on Dec 08, 2009

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Error p8 is coming in the remot unit on after 3 mintus


error p8 is coming in the remot unit after 3 mintus

Dec 26, 2012 | 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

It is a ducted Airconditioner When started after few minutes it stops and a control panel indicates: check P08 with kind regards annurag anurag@maluxme.com


Code P8
Error detail Abnormality of pipe temperature.
Inspected unit Indoor.

Check may be icing in your indoor coil due to evaporator coil /air filter blocked- Clean it.
Short of gas or gas leak. Call repairman to find out the leak & arrest to recharge gas.

Helpful?

Dec 25, 2010 | Mitsubishi Mr. Slim MXZ30TN Air...

1 Answer

Mr. Slim PK 18 FK 3 will only cool for 3 minutes, then goes to fan only for 3 minutes, then shuts off completely with P8 00 flashing as an error message


Hi,
P8 usually is caused by a low charge...

Here is a tip about Mitsubishi Air Conditioners and how to get the manuals for all of the mitsubishi line. The manual include both troubleshooting and installation.

Mitsubishi Air Conditioner Troubleshooting and Repair


heatman101

Aug 30, 2010 | Mitsubishi Mr. Slim MXZ30TN Air...

3 Answers

Ac unit shuts down


See this document for P8 code on Mitsubishi Mr Slim MXZ30TN... It is likely you can get the fix just from following the diagnosis steps 1-7. http://www.digelair.net/pdfs/TECHLIT/MITSUBISHI/MrSlim_P-SERIES_Troubleshooting_TIPS.pdf

Jul 02, 2009 | Mitsubishi Mr. Slim MXZ30TN Air...

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...

2 Answers

Problem with mitsubishi slim


I am not familiar with a P8 code nor do I understand where you are seeing this But, go to mrslim.com and look under Customer resources, Library and then input your model number. Select Technical & Services. Product Catagory is Mr. Slim Ductless, Sub Catagory is M-series Multi Split, Current models. Remember you have inside units and one outside unit. You will need to look at each model number to find information on both. Usually Mitsubishi's will have two lights that will blink in patterns to indicate what could be wrong. The P8 code is new for this Diamond Dealer!

Sep 30, 2007 | Mitsubishi Mr. Slim MXZ30TN Air...

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