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Old 09-24-2016, 03:45 PM   #1
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A/C cycles.....

Is it normal for the Dometic A/C to run a few minutes then shut off for a few seconds and then start up again, all the while the compressor continues to run. IT sometimes starts at a lower blower setting then cycles again at the higher setting. It just seems like it's going to wear something out.
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Old 09-24-2016, 05:37 PM   #2
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LJ, mine will do that.. I was thinking the fan wants to slow down, when set to auto, which it does; then changes its mind. I hang a temporary piece of paper over the thermostat to stop air from blowing durectly on it, which seems to reduce the occurrences of that. WW
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Old 09-24-2016, 05:39 PM   #3
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Make sure the louver over the thermostat is pointed away from the stat..
If you have one
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Old 09-24-2016, 06:47 PM   #4
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the vent rotates ... louvers are 180 apart so you can turn it 90 degrees away, which helps... but not a 100% cure.
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Old 09-24-2016, 07:02 PM   #5
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I had a replacement unit do exactly that. I failed after six months. My new one does it as well.
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Old 09-24-2016, 07:14 PM   #6
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On the previous TT just traded in, the main 15k unit did that. It was replaced under warranty 3 times in the 23 months that I owned it. It seemed to happen more often when I would close the louvre in the bedroom and/or bathroom. The new 5er does it also without closing any louvres. I'm hoping someone knows what is going on as I find it hard to believe that it is "normal".
Tagged for interest.
L
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Old 09-24-2016, 07:19 PM   #7
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Yes, the digital domestic does shut off the fan during a fan speed change. Normal.
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Old 09-24-2016, 07:27 PM   #8
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Hmm, I never noticed that there was a change in fan speed. I do keep mine in Auto, so I'll pay better attention next time I notice it to see if it's a change in speed.
Thanks.
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Old 09-24-2016, 07:43 PM   #9
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It is normal for the fan speed to change to LO (in AUTO) when the temp inside the coach gets to within about 4 degrees of the thermostat temp setting. The fan speed will also revert back to HI at a predetermined difference in the same measurements. At each of these times there is a momentary pause in operation. Everything everyone is saying about this non issue is normal operation. If you set the fan speed to something other than "AU" it will run at that speed and not change. The owners manual spells this out.
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Old 09-24-2016, 08:09 PM   #10
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Thanks.....
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