Solution for MaxxFan RV Roof Vent Where Switch Only Works if Unplugged from Power  

To connect the Wall Control Panel for MaxxAir MaxxFan Plus Roof Vent #MA59FR you will need - if you don't have it - the Replacement Control Cable for MaxxAir MaxxFan Plus Roof Vent Wall Control Panel #MA69FR. You'll need to route that…

It does sound like you need a new circuit board for the 4951KS that you have based on what you described from your vent. So for that you'd want the part #MA10A04751KS and you'd be set.

It definitely is the circuit board of your MaxxAir roof vent and the correct replacement is the part #MA10A04751KS.

You do need a new circuit board based on what you described and since you said yours has a rain sensor what you'd need is the part #MA10A04751KS.

The correct circuit board for your MaxxAir MaxxFan 4951KS fan is the Replacement Printed Circuit Board for MaxxAir MaxxFan Plus Roof Vents #MA10A04751KS. It also works with The MaxxAir MaxxFan 4751KS and 4761KS models as well.

This definitely sounds like the circuit board, so you'll want to use the Replacement Printed Circuit Board #MA10A04751KS which is designed to work with models 4751KS, 4761KS, and 4951KS. I know some other customers have been apprehensive about…

The Replacement Printed Circuit Board for MaxxAir MaxxFan Plus Roof Vents #MA10A04751KS will fit your 4951KS model fan.

From the information you have provided, it sounds like you most likely have the MaxxAir MaxxFan 4751KS. If that is indeed the case then the Replacement Printed Circuit Board for MaxxAir MaxxFan Plus Roof Vents #MA10A04751KS would be the correct…

The issue you are having with your MaxxAir MaxxFan 4751KS is more than likely an issue with the circuit board (control board). The circuit board is what is telling the motor to run or stop. The correct replacement circuit board for your MaxxAir…

Thanks for reaching out! Since you have the 4951KS model MaxxFan roof vent you'll need the Replacement Printed Circuit Board for MaxxAir MaxxFan Plus Roof Vents #MA10A04751KS. The circuit board might look slightly different as far as the pieces…

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…

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…