Troubleshooting MaxxAir Vent Powered Lid that Won't Open  

If your roof vent lid won't open, even when using the manual lift knob, then the gears of the lift operator are most likely stripped out and the lift operator will need to be replaced. The Replacement Operator Mechanism #MA10-20281K-1AF is…

When your Lippert Ground Control 3.0 #LC358590 has a reading that says "Comm Error" it is referring to the communication between the controller and touch pad. You will need to check your harness to ensure it is connected properly…

Replacement Operator Mechanism for MaxxAir MaxxFan Plus or MaxxFan Deluxe Roof Vents #MA10-20281K-1AF is what you want for your MaxxAir Deluxe Fan if it is a power lift or the Replacement MaxxAir Roof Vent Manual Lift Operator #MA10-20281K-3CF if…

I sent all of your info and pictures to MaxxAir to find out what circuit board you'd need and they told me the board you need is the part #MA10A21275K.

Yes, the correct replacement lid cover for your MaxxFan Plus Roof Vent w/ 12V Fan part #MA00-04500K (4951KS) is the Replacement Lid for MaxxFan and MaxxFan Plus Roof Vents part #MA10A40009K.

The Lippert Ground Control #LC358590 is very sensitive to voltage drop. I recommend checking the battery on your 2014 Duchman Denali 280 LBS. A Multimeter #PT89ZR will alloy to check the voltage at the battery as well as at the control module. If you…

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…

I reached out to MaxxAir as I was stumped since you had replaced both the parts already. Their tech said you will want to first check the voltage going into and coming out of the Circuit Board #MA10A21275K with a Meter #PT29ZR where the lift motor…

It sounds like the lift motor of your MaxxAir RV roof vent isn't working and is in need of replacing. We have that part with #MA10-20270.

Often an issue like you stated has to do with the battery not being fully charged. If the battery is even slightly low, sometimes this system is a little finicky. I recommend first charging your battery fully and testing it to ensure it is fully…

The "Comm Error" on the Lippert Ground Control 3.0 Electric Leveling System refers to an issue with data transmission between the touch pad and control module. If the touch pad has been replaced and the issue still persists I would check…

I sent all of this to my tech contact at LCI to see what they this is the problem and they were able to come up with a way to use the voltage readings to determine where the issue is: There are 4 wires on the harness as follows Black= power (need to…