Review of Maxxair RV Vents and Fans - MA39FR Video

For a replacement circuit board you can use the Replacement Printed Circuit Board for MaxxAir MaxxFan Plus Roof Vents #MA10A04751KS. We have confirmed with MaxxAir that this is the correct for what you have.

Yes, we do indeed have the correct circuit board to replace the 10-21275KE part on your MaxxAir Fan with part #MA39FR. This is a direct replacement and will get your fan operating back to normal. Pricing will be listed on the product page.

The 10B21275KE part #MA39FR replaces the 10-21275KE you mentioned as well so if you had an older model number you could use it in same application.

The correct replacement circuit board for your MaxxAir Deluxe 7501K vent fan assembly is the #MA10A21275K and would be what you'd need to fix the issue you are having.

You reported that you cannot use the remote on your MaxxFan 4700K to put the vent cover up and down. Let's troubleshoot. Put some new batteries in your remote. Ensure that the display comes on. Verify if your vent cover now works. Verify if other…

It sounds like your MaxxFan may need a new circuit board. Typically, when customers had similar issues they were able to replace the circuit board and their fan return back to normal operation. You can use Replacement Printed Circuit Board…

If your MaxxFan Plus 4-Speed Roof Vent with White Lid #MA00-04751KSX isn't lifting electronically or manually then your lift arm or operator #MA10-20281K-1AF is most likely broken and would need to be replaced. The gear inside these are notorious…

The correct replacement for your MaxxAir Circuit Board 10-04751ks is the following part: - Replacement Printed Circuit Board for MaxxAir MaxxFan Plus Roof Vents #MA10A04751KS As for the sensor wires, so long other wires are not damaged, I don't…

All the "C" stands for in the 4951-KSC part number has to do with the "Clear" aspect of your fan. With that being said, for a replacement circuit board you can use the Replacement Printed Circuit Board for MaxxAir MaxxFan Plus…

Knowing the actual model number would be best so as to confirm you are ordering the correct part but, if you have the the MA00-04751KSX then we have the Replacement Printed Circuit Board for MaxxAir Powered Lift RV Roof Vents, #MA39FR.

Based on the issue you are having, Yes. A bad circuit board can cause all kinds of weird issues like your fan running all the time and the vent lid not opening. Since you have the MaxxAir 4751KS you will need the replacement circuit board…

Since you have the exhaust only model the correct replacement circuit board is the Replacement Printed Circuit Board for MaxxAir Powered Lift RV Roof Vents w/ Exhaust Only Fan #MA39FR.