Replacement Circuit Board for a MaxxAir 4751KS to Correct the Lift Motor Continuously Running

Question

Question:

My fan vent keeps trying to open when it’s fully open or keep closing when fully closed. All other functions work fine. Seems like a bad limit switch but I do not see any. Is this part of the control board?

asked by: Richard B

0

Expert Reply:

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 MaxxFan 4751KS is the Replacement Printed Circuit Board for MaxxAir MaxxFan Plus Roof Vents # MA10A04751KS.

expert reply by: Scott S

0

Answer 1

The correct Replacement Operator Mechanism for your model 4751KS MaxxAir MaxxFan is part #MA10-20281K-1AF. If your fan lid is unable to open even manually, then this is the part you need to replace. The other part you referenced, #MA10A04751KS would…

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Answer 2

Since multiple MaxxAir Fans have the same features that you listed it's honestly best to first determine the exact model number you have before purchasing anything and end up not having it be compatible. I've listed below all the available…

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Answer 3

Thank you for including the model number of your fan, 04751KS, which was exactly what was needed to find your replacement circuit board. The correct part for your MaxxAir MaxxFan Plus Roof Vent 4751KS is: - Replacement Printed Circuit Board for…

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Answer 4

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…

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Answer 5

Thank you for the question! Would you be able to expand on your situation a little more so I can better help you? Just wondering if it isn't turning off when you press the power button or does it have to do with the thermostat (provided that your…

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Answer 6

Hey James, thanks for all of the info you listed. Based on that the correct replacement circuit board is the part #MA10A04751KS.

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Answer 7

You will need to test the wiring to determine if the Lift Motor #MA10-20270 is getting power when you press the remote. This will help you determine if the motor is bad or the Printed Circuit Board #MA10A04751KS on your MaxxAir fan. A Test Light…

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Answer 8

Roof vents with fans like the MaxxFan Roof Vent w/ 12V Fan #MA00-04000K do not have a fuse anywhere in the fan itself. You will want to use a circuit tester like #PTW2993 to see if there is power getting to the fan. If it was installed by the…

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Answer 9

It sounds to me like your control board on your MaxxAir Fan Model 4751KS. The correct control board replacement for your unit is the Replacement Printed Circuit Board for MaxxAir Manual Lift RV Roof Vents #MA10A21276K.

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Answer 10

If your MaxxAir Fan #MA00-04000K isn't powering on or lifting open then the first step is to check the power. First check the fuse in your power center, it could just be as simple as a blown fuse. From there check the power at the vent using a…

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Answer 11

I took a look at your order and saw you had purchased the Replacement Key Wall Control part #MA00A03550K but the issue you are having with your MaxxFan Model 4751KS is the circuit board, the Replacement Circuit Board part #MA10A04751KS so this what…

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Answer 12

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…

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Replacement Circuit Board for a MaxxAir 4751KS to Correct the Lift Motor Continuously Running

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