Troubleshooting MaxxFan Deluxe Roof Vent w/ 12V Fan That Won't Turn Off

Question

Question:

I have a Maxxair 00-06200K MaxxFan Ventillation Fan with Smoke Lid and Manual Opening Keypad Control. There is no remote. At this point, the fan is running at low speed. I'm not able to activate any of the operations on the keypad. The fan will not turn off, nor can I operate the reverse or the speed controls on the keypad. I do know that the lid was open during a rainstorm. Could the circuit board have gotten wet? Thank you for any help that you can give me

asked by: Holly J

0

Expert Reply:

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 MaxxAir fan has one)? Also, which MaxxAir fan do you have installed?

If you can get me that info it will really help me to pin-point what needs to be looked at.

expert reply by: Jon G

0

Holly J.

10/11/2019

I have a Maxxair 00-06200K MaxxFan Ventillation Fan with Smoke Lid and Manual Opening Keypad Control. There is no remote. At this point, the fan is running at low speed. I'm not able to activate any of the operations on the keypad. The fan will not turn off, nor can I operate the reverse or the speed controls on the keypad. I do know that the lid was open during a rainstorm. Could the circuit board have gotten wet? Thank you for any help that you can give me

Reply

Jon G.

10/11/2019

Thank you for the extra info! Since you have the MaxxFan Deluxe Roof Vent w/ 12V Fan and Thermostat # MA00-06200K with the rain cover the only way that rain could have gotten to the circuit board is if it was a really intense storm with high winds that would have "pushed" wind into the vent. If it was just a typical rain storm then that wouldn't have been the cause. This vent has a built-in safety feature that locks up the circuit board if the voltage gets too high or low. If you disconnect the power for a few minutes and then connect it back to power that will release the circuit board from being locked and your vent will operate normally again. If rain did get to the circuit board or removing/restoring power didn't fix it then you do need to replace the circuit board with part # MA10A21276K.

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Answer 1

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…

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Answer 2

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…

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Answer 3

It sounds like the circuit board may be the issue with your MaxxFan Plus Item #MA00-04000K not turning off. You can try disconnecting the power wire to it, wait about 5 minutes and reconnect it. This should reset the board. If that doesn't work I…

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Answer 4

It sounds like your MaxxAir MaxxFan Trailer Roof Vent has a powered lift like #MA00-04000K but has a connection issue. It is getting power for the lid to open and close but not for the fan function. I recommend testing your wiring using a circuit…

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Answer 5

Since you believe it may be a power issue I first recommend checking the voltage with a multimeter like #PT89ZR and ensuring you have 12v powering the unit. If you do then we know this isn't the cause. The next step would be to replace the…

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Answer 9

Actually the type of roof vent cover you need to attach to the vent cover brackets of your Maxxair 4951KS like part #MA00-04500K is the part #MA00-955003 which uses those brackets with the included cotter pins of the cover.

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Answer 10

Yes you are correct the Replacement MaxxFan Plus 4-Speed Roof Vent with White Lid #MA00-04751KSX is the right replacement and measures 18 1/8" long and 16 1/2" wide, which is the same measurements as your current MaxxFan Plus Roof Vent w/…

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Answer 11

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.

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