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Old 08-16-2016, 10:45 AM   #1
Junior Member
Join Date: Aug 2014
Posts: 4
A/C Freezes

We have a 2014 Wildwood DLX purchased in August 2014. The first full summer, 2015, the A/C worked perfectly without any issues. This summer the unit has frozen up several times. By process of elimination it appears that it only happens when the air discharge on the unit is closed sot that it forces the air to the ducted vents. I've been told several different ways of fixing this - first the 13,500 Dometic isn't strong enough to push the air down the long ducts and I should upgrade to 15,000. Second suggestion was to put small 12 volts fans in the vents to increase the air flow. Third, since it wasn't an issue the first year, maybe a duct is clogged.

Any additional ideas? My thought about the fans is that due to the peak in the roof line that maybe the unit just isn't strong enough to push the cold air through the ducts.

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Old 08-16-2016, 11:40 AM   #2
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Join Date: Mar 2008
Location: Southwest Alabama
Posts: 3,309
Check to see if the freeze sensor has fallen off the evaporator coils. That's a common reason for the unit to start freezing up. The freeze sensor shuts the compressor down when it senses the evaporator freezing up long enough for it to thaw.

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Old 08-21-2016, 09:35 AM   #3
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Join Date: May 2013
Posts: 219
Normal Causes:
Low airflow or low freon.

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