Fan running below fuse box.

[tyna10]

Plugged up the travel trailer (2016 Flagstaff Micro Lite) today to recharge the battery. Notice a fan running below the fuse box. I hadn't notice it before. I am not sure what it is for or why it is running. This is the first travel trailer we have owned, so we are a little nervous about things.

[SeaDog]

That is the cooling fan for your converter at different charging loads the fan will cycle on and off that is normal

[tyna10]

Thank you so much for the reply. You have set my mind at ease.

[TURBS]

Was your battery dead?


2008 2500hd Duramax
2015 Columbus 320RS
2016 nights camped "0"
2015 nights camped "34"

[MartiB]

I've also recently noticed a sort of hum - maybe a fan noise - when two or more lights are on in my Salem CruiseLite. Once it's back down to one light, the noise goes away. It isn't very loud - just slightly noticeable.

[B47]

Originally Posted by mjbuckely

I've also recently noticed a sort of hum - maybe a fan noise - when two or more lights are on in my Salem CruiseLite. Once it's back down to one light, the noise goes away. It isn't very loud - just slightly noticeable.

See Post#2.

[Witch Doctor]

WFCO uses one fan it is variable speed. If you are hearing it, if it gets louder you can replace it with a ball bearing fan. I had 2 go out. Then switched to a progressive direct replacement. It has 2 fans and I never here them come on. The fan as mentioned above dissipates the heat the convertor fins put off. The more power needed the louder the fan from the RPM...

[TURBS]

The 8955 Wfco units now have two fans, my 2005 had two.
I installed a third !


2008 2500hd Duramax
2015 Columbus 320RS
2016 nights camped "0"
2015 nights camped "34"

[pt1655]

Hello, you will also notice the fan on when the heated holding tanks are on (if you have them with a glacial/thermal package) because the heating pads draw so much power.
When I changed our Surveyor over to LED lights, they draw so much less power that I can have ALL the lights on in the trailer and the fan does not come on! (I've tried it).
Happy Camping!

[Witch Doctor]

Originally Posted by TURBS

The 8955 Wfco units now have two fans, my 2005 had two.
I installed a third !


2008 2500hd Duramax
2015 Columbus 320RS
2016 nights camped "0"
2015 nights camped "34"

Well that is weird, Mine is a 2012 not a 2005 and only had one fan, I added a second fan but the bearings went out and caused the fan to become loud...I'll have to look that up, as far as I know they still have one fan on WFCO converter. will get back to this.

[Witch Doctor]

Well I don't know what to say at PPL it shows a picture of a WFCO 8955 and it has one fan, never had WFCO with 2 fans....It says direct replacement, same as the 2 I took out....

[TURBS]

Had one in the front and one in the back.
I posted about it years ago when I first got the Sabre.


2008 2500hd Duramax
2015 Columbus 320RS
2016 nights camped "0"
2015 nights camped "34"

[Witch Doctor]

Originally Posted by TURBS

Had one in the front and one in the back.
I posted about it years ago when I first got the Sabre.


2008 2500hd Duramax
2015 Columbus 320RS
2016 nights camped "0"
2015 nights camped "34"

That is what I have on the direct replacement with the charge wizard button on the new board, but never on a 8955 WFCO, the trailer came with one fan and others that were replaced by FR came with one fan, the bearing were always bad on the one fan only so it made noise.
Charge Wizard 4-State charging system built-in.
Dramatically increases battery life.
This converter/charger will not boil the battery!
55 Amp (PD4655V), 45 Amp (PD4645V) and 35 Amp (PD4635V) models available.
The intelligent way to charge and maintain your RV battery.
Easy to install.
A metal enclosure is included in every package for replacement Parallax/Magnatek 6300 Series or 7300 Series Converter.
Inteli-Power 55 Amp Converter/Charger
Model #PD4655V replaces these converter sections: Parallax/Magnatek #6355, Parallax #7355, Parallax #7155,
Parallax #8355, WFCO™ #8955
Inteli-Power 45 Amp Converter/Charger
Model #PD4645V replaces these converter sections: Parallax/Magnatek #6345, Parallax #7345, Parallax #8345
WFCO™ #8945
Inteli-Power 35 Amp Converter/Charger
Model #PD4635V replaces these converter sections: Parallax/Magnatek #6336, WFCO™ #8935
Inteli-Power 4600 Series models can recharge the battery to 90% in 3-6 hours

[TURBS]

Originally Posted by gljurczyk

That is what I have on the direct replacement with the charge wizard button on the new board, but never on a 8955 WFCO, the trailer came with one fan and others that were replaced by FR came with one fan, the bearing were always bad on the one fan only so it made noise.
Charge Wizard 4-State charging system built-in.
Dramatically increases battery life.
This converter/charger will not boil the battery!
55 Amp (PD4655V), 45 Amp (PD4645V) and 35 Amp (PD4635V) models available.
The intelligent way to charge and maintain your RV battery.
Easy to install.
A metal enclosure is included in every package for replacement Parallax/Magnatek 6300 Series or 7300 Series Converter.
Inteli-Power 55 Amp Converter/Charger
Model #PD4655V replaces these converter sections: Parallax/Magnatek #6355, Parallax #7355, Parallax #7155,
Parallax #8355, WFCO[emoji769] #8955
Inteli-Power 45 Amp Converter/Charger
Model #PD4645V replaces these converter sections: Parallax/Magnatek #6345, Parallax #7345, Parallax #8345
WFCO[emoji769] #8945
Inteli-Power 35 Amp Converter/Charger
Model #PD4635V replaces these converter sections: Parallax/Magnatek #6336, WFCO[emoji769] #8935
Inteli-Power 4600 Series models can recharge the battery to 90% in 3-6 hours

Glenn, that's because there's one in the main case of the distribution center and one on the main board.
They are not both on the converter chassis.

[Witch Doctor]

Originally Posted by TURBS

Glenn, that's because there's one in the main case of the distribution center and one on the main board.
They are not both on the converter chassis.

Okay gotcha, that makes sense......