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Old 10-23-2020, 10:46 PM   #1
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Join Date: Aug 2020
Location: Roswell
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Cool Jayco SLX Dometic A/C Fan Speed

I have a 2019 Jayco SLX 8
It has the Dometic B59516.7xxx A/C unit and a digital Dometic Thermostat.

The issue Iím having is the fan speed has three setting HIGH, LOW and AUTO.
I cannot tell the difference between HIGH and LOW, Am I missing something?
Is this a wiring issue or setting issue?

Anyone else experiencing this issue?


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Old 10-24-2020, 08:02 AM   #2
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Location: Kingman, AZ
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Mine is a Coleman A/C with a digital thermostat with the same settings. I just leave mine on Auto, which on mine runs the fan at the same speed as if the switch was on Hi. When I switch it to Low it only makes a slight decrease in fan speed. When itís hot outside I donít see any reason to run it on Low anyway.
Lee & Kathy
2017 Starcraft Autumn Ridge 266RKS (with Jayco P/N's)
2007 Toyota Tundra
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Old 10-27-2020, 01:50 PM   #3
Join Date: Aug 2020
Location: Litchfield
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I asked my dealer the same question. As I recall, his response was that the air conditioner always run with the fan in high speed. There was a problem found with running low speed, something about the unit icing up. To avoid that, they disabled the low speed setting. I think it sets low speed for fan only mode but I can't remember. I just leave mine on auto all the time.
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dometic, fanspeed, thermostat

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