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Mr slim on my cond. side the contacter pulls in 41 amps but the comp wont start, also shows p8 on board

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  • norman1568 Aug 08, 2008

    My Mr Slim shows P8 on the panel and switches air con off. Wont heat at all?

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One of my mr slim indoor units freezes up when it is above 85 deg.

Posted on Jul 29, 2008

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41 amps is most likely a locked rotor in the compresser check on the tag of the compresser lok for LRA = Locked rotor amps) see what that reading says that is the first place to look also is it tripping the breaker or fused disconnect?

Posted on May 20, 2008

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1 Answer

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

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

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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