Bosch Cordless Outdoor Pressure Washer Fontus 18V (1 battery, 18v) is that a problem?!

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Bosch Cordless Outdoor Pressure Washer Fontus 18V (1 battery, 18 Volt)
A video to show a potential problem with my new pressure washer - it only pulses when it is on high setting. Should i send it for repair?

[goncalovazpinto]

After using the washer a couple of days the problem just went away! It now works perfectly.

[goncalovazpinto]

Same problem here. Could it be that the highest setting only works when connected directly to a hose? I'm going to try that and post results.

[georgeanagnostis]

I have the same problem, did you find any solution? Did you fix it?

[katanka]

Mine does the same. Did you find a solution?

[wimbril]

I ordered one and have the same problem. Tried with a 4Ah battery iso 2, 5 (original Bosch) but without solution. Somebody has an idea about what is wrong? It's hard to believe that a company as Bosch has such a dramatic quality issue. What is the small grey rubber piece that is on the accessorie lid in the video? Mine was just at the bottom of the box.

[goncalovazpinto]

I contacted and accepted a partial refund while keeping the machine (mine was amazon marketplace). I don't really need the higher pressure for what I'm using it for, and the shower setting works at higher pressure, only the jets don't... Meanwhile I'll try to fix the issue myself. If I find out why this happens I'll post it here, but I suspect it has something to do with the pistol, not the machine, because higher pressure works on shower or if you remove the pistol and just use the hose...

[patrykpatrykowy]

I have same problem funtus works only 4 day this is problem with engine you must use a guaranty 🙄🫣...welcome in new world of quality parts and productions .