Motor On MaxxAir MaxxFan 4900K Roof Vent Will Not Shut Off When Lid Is Closed

Question:

My daughter ordered 2 new operators and tried both on my max air fan and it makes a grinding noise when it gets to the closed position. I have to turn the switch off. It doesnt cut off like it should. the old operator was comming apart so i ordered 2 new operators - 1 for a spare. the fan is on a lakota horse trailer. maxfan smoke 4900K serial 20130-03-4900K-0004 etrailer sent part # 10A20281K-1AF Is this the correct part? what could be the problem?

asked by: Ty S

Expert Reply:

I spoke with MaxxAir about the issues you are having with your MaxxAir MaxxFan Roof Vent and they informed me that the gears inside the lift motor have gone bad so you will need to replace this with the Replacement Lift Motor for Maxx Fan Plus Roof Vent part # MA10-20270. I was also able to confirm that the Replacement Operator Mechanism for MaxxAir MaxxFan Plus or MaxxFan Deluxe Roof Vents part # MA10-20281K-1AF is correct for you so that is not the issue.

expert reply by: Conner L

Paul L.

5/26/2020

My Model is the 4700K. My problem is that the lift motor continues to run when the cover is open. The lift motor stops only after 8 steps of the cover. Is the problem the lift motor or the circuit board? Thank you