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I agree hmcn, Mine did the same, worked for a month or so. Like a buffer is filled up and then it becomes very slow and at the end stops working. The wheel I purchased did have some other keys, so I reused my own keys like Lane Assist - no problem with that.

Hi hmcn, Changing the optocoupler didn't do the trick - sorry! It only worked for a month or so! I found a steering wheel with defective leather and replaced the two pcb's - it has been working like a charm for almost 3 month. Something else is wrong with one of the pcb's (another component), I just hadn't had the time to investigate. So my advise is to find a steering wheel or new pcb's and replace it. I hope you find a good and not too expensive solution.

Just an update, if someone is still following this tread 🙂 I have now replaced the right optocoupler, the operation seems to have worked. I can now scroll without any delays or periodic function. At the end it more and less stopped working, so I managed to find the optocoupler at something called RS Components 👍 It needs soldering, so make sure to have a good soldering iron. I will update you all, if it stops working again!

Hi again 5k0d4, I actually found a used steering wheel at a car wrecker; I replaced the PCB´s and it worked perfectly. Then I found the cleaning instructions of the sensor, and that worked as well. So, I returned the Steering wheel and my old PCB worked almost ½ year. If you do a search on: 5E0 919 719 F WHS - either on Google, Ebay or similar, you will find a replacement kit. Currently my scroll button works sometimes. Good hunting.

FYI: I managed to find the fault! It was the optocoupler which needed some cleaning

Hi Milentije, Did you managed to find the reason for the faulty scroll wheel on the right side for the Maxo Dot? As I now have the same fault! Now the car is not new anymore, so pretty sure Skoda will not accept it as a warranty case. But prefer to find an easy fix, so probably have to order a complete set of Steering wheel buttons: 5E0 919 719 A