Interference after two years

[vogl]

I have been running the ardumower for 2 years. This year I have big problems with interference of the perimeter coil. If the mower motors mowing without discs, the interference is zero. After installing the cutting discs, the interference increases so that the ardumower is not able to detect the perimeter. I installed coil and capacitors, nothing helped. Problem occur this year after 2 years of success mowing. Distance between coil and motors is about 17cm.

 

[flyfast]

Maybe the perimeter receiver has been failed.
Beliefe me or not, I had the same problem some days ago. The mower stops working one day.....next morning I got many problems with receiving of the perimeter signal. I installed two different receiver and both failed like the first one. Then I build a new one (have enough spare parts) and this unit works as it should.
Do not ask me what was happend with those three units. Sometime I can not explain what this mower is doing with me. Full Moon?

UWE