Question about Maytag NMPEB08F2A Air Conditioner

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Unit freezing up and shutting off

I have Maytag unit NMPEB08F2A. I works fine for about an hour or so and then it freezes up and just shuts off. Then the moisture that froze melts and leaks through the floor. Does anyone know what's going on here?

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  • Oceans11 Jun 15, 2008

    Thanks Illeagle. I assume you're referring to the factory overcharging the freon. If this is the case you thinks it's possible I can find a way to bleed off some of the freon?

  • Whim Jun 20, 2008

    I have a Danby DPAC 8399-4 it is 5 yrs old.It has developed a freezing up problem after running for maybe 2 hours.So bad that very little air is coming out.It is in the same room the last 5 years and just developed this problem recently.Every spring I take the units covers all off and clean all the coils of dust etc and I clean the upper cover with the filter regularly.


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It sounds like it's low on refrigerant, dirty filter or evaporator, also may be problem with the blower not running at proper speed.

Posted on Apr 13, 2009

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Ordinarily air conditioners do this when they are too big,(BTU wise), for the area being cooled. They will shut off to prevent system damage. There has to be enough warm air drawing back to the unit to keep the coils from freezing up. A more rare scenario would be an overcharge from the factory and manifest itself immediately.

Thank you,
Dave E. (Illeagle)

Posted on Jun 15, 2008

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