Do you have the ability to measure the voltage while the steering wheel should be powering up? Measuring the power supply voltage unfortunately doesn't really tell you much, because if there is no current being drawn while the thing is actually defective, it can suggest perfect operation, whereas, when the steering wheel should be powering up and you see the voltage drop significantly, you might be a little wiser.
1. Measure the terminals at the board upon power up or
2. Take a ceramic resistor to act as a device that's causing a current draw (one of those big white square resistors).
Next step if previous is ok: measure the current drawn between the supply and the device requesting this current.
Take the maximum output as a threshold, anything well below that (and I'm talking milli-amps above or even a full zero here) and you might be looking at a power supply that seems to behave right, but actually isn't.
If that's true, try to look inside the powersupply and see if there are worn out capacitors
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Few items come to mind (and I don't own this perpheral)...
1. either the force/haptic feedback engine/motor has died (almost unlikely).
2. the board component powering the engine has died (possible).
3. there is a disconnection between the board and the engine (i.e. the gears have lost teeth and just spin without contact).
You might want to check to see if there is any physical damage internally first.
von DunCanP
@dunc I did take it apart and there's no obvious damage. All the wires, connectors, board itself look fine. It wasn't dropped or anything, it just stopped working while playing. The wheel doesn't even try to calibrate, which it did before and the LED in the middle just turns on for a second when I connect it to the computer and turns off. I guess it's something with the board, for which I don't have any experience to try and fix, maybe I'll try to look for someone who knows more than me and maybe they'll be able to do something.
von Tomasz Videos
@Tomasz Videos Yeah, that's more detail than I knew. It's very possible that the board needs replacement. I think you'll be hard pressed to find parts of this peripheral due to the "break then buy" effect as well as just the limited amount of units sold.
I found one on eBay and you may want to purchase and keep your broken one for parts. I'll post the eBay auction number, just do a search and you'll find it (I'm assuming you are in the US).
eBay auction 224357013793 - Feb 19, 2021
von DunCanP
@Tomasz Videos One other thing that just came to mind after seeing this guide:
Logitech driving force gt ''play''or ''loose'' steering fix
See if you can reach out to the author in that guide to see if he has any insight. Since this is a single board device, I recommend not making any changes to it because you may damage it further. Keep in mind, the board can flex from the pushing and pulling on the outer case and since they are multilayered bords, a trace can get damaged (possibly). Check to make sure the motor moves by disconnecting it and putting a quick connection to a 9v battery.
Lastly, provide that board number or a photo of it so that maybe someone in these forums can provide you more replacement info.
von DunCanP
@dunc Sadly, I'm not from US. Even if I was, I'm definitely not buying another wheel at the moment, because if everything goes as planned, I'm going to get my drivers license and that is quite costly here. Even if I could buy another wheel, most likely I would upgrade to an at least Logitech G27. I did try to test the motor, that works, tried cleaning the sensors on the optical enconder, that didn't help either. I'll try to reach the author of that guide, but our problems are quite different.
von Tomasz Videos
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