Troubleshooting Maxxair Model 4700k Vent that Will Not Open All the Way

Question

Question:

I have a Maxxair Maxxfan Model 4700k. When I turn it on, the lid will begin to open, but will not open fully. Once it gets to about 3/4 open, the motor will continue to turn, but the lid will fall slightly down and go back up. It will continue to bounce like that until it is turned off or if I put slight pressure on the lid, it will open fully. It does the same if I open it manually. It will close properly and seems to otherwise operate normally. I looked at the schematic and think it is the Replacement Operator Mechanism for MaxxAir MaxxFan Plus or MaxxFan Deluxe Roof Vents Item # MA10-20281K-1AF which needs to be replaced. Will this part fix my problem and is that the proper part number for my unit. The schematic that I can find online does not specifically my model number, but does have 4700 with other subscript letters.

asked by: James C

1

Helpful Expert Reply:

You definitely have a bad operator on your MaxxFan Model 4700k roof vent which would require the replacement part # MA10-20281K-1AF.

expert reply by: Jameson C

1

Answer 1

If the lid no longer opens or closes even when using the manual knob then that means the operator mechanism is bad which is rather common to have to replace. The part you'll need for this is the Replacement Operator Mechanism for MaxxAir MaxxFan…

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Answer 2

Yes, the Replacement Lid for MaxxFan and MaxxFan Plus Roof Vents #MA10A40009K is a compatible fit for your MaxxAir MaxxFan Mini Roof Vent w/ 12V Fan #MA00-04401M. If you'd like to be able to use your vent in inclement weather or while traveling…

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Answer 3

What I think you are asking is if either the Replacement Wall Control Panel for MaxxAir MaxxFan Plus Roof Vent, #MA59FR or, the #MA00A03550K can be used with a MaxxFan - 00-04951KSX. The #MA59FR controls the 10-speed fan, electric lift lid,…

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Answer 4

The hole on the Replacement Operator Mechanism for MaxxAir MaxxFan Plus or MaxxFan Deluxe Roof Vents #MA10-20281K-1AF that you marked can be used. That hole is designed to be used as a mounting point, if your fan requires an "L" bracket for…

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Answer 5

The Replacement Operator Mechanism #MA10-20281K-1AF is an updated version for the MaxxAir MaxxFan. This originally was the MaxxAir part number 10-20281K-1AF and was updated to the 10A20281K-1AF. We did not change our part number when they updated it…

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Answer 6

MaxxAir vents that have an integrated rain sensor, like the MaxxFan Plus Roof Vent #MA00-04500K, do not allow you to override the sensor. If you were to override it you would be allowing rain to hit the motor which could definitely damage it. The…

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Answer 7

When installing the #MA10-20281K-1AF replacement operator, you might need to 'clock' the mechanism slightly which could take a little bit of trial and error, but the replacement operator does include installation instructions. I've…

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Answer 8

Yes. Your serial number indicates that you've got a 4500K series Maxx Fan, so you can use the Replacement Operator Mechanism for MaxxAir MaxxFan Plus or MaxxFan Deluxe Roof Vents #MA10-20281K-1AF to replace your operator mechanism.

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Answer 9

It sounds like there is something which is not allowing the lid to fully close. The Operator Mechanism #MA10-20281K-1AF would not cause the lid to not fully close like you are experiencing. Be sure to check the hinge area to ensure some debris did…

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Answer 10

No, the whole fan assembly like part #MA00-04500K would need to be removed from the roof, leaving the inner frame. Then the unit would need to be disassembled to get the operator mechanism to replace it with part #MA10-20281K-1AF. I have attached an…

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Answer 11

The serial number should be located on the base of the unit under the screen. I would need this to confirm parts but it's likely the correct one for you is the Replacement Operator Mechanism for MaxxAir MaxxFan Plus or MaxxFan Deluxe Roof Vents…

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Answer 12

From what you are describing it sounds like the operator mechanism is in need of replacing. You didn't mention what model you have but for models 4500K - 4900K, 4700N, and 4900N use Replacement Operator Mechanism for MaxxAir MaxxFan Plus or…

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Troubleshooting Maxxair Model 4700k Vent that Will Not Open All the Way

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