Given: DC40 that served us for good amount of time, until tenants ruined it. After they moved out we discovered it is in completely non-working condition.
Every single freaking part was clogged with dog hair - canister, upper hose, lower under the ball hose, brush was not rotating. it took me 2 hours to completely disassemble, clean and re-assemble it.
I washed the canister and replaced filters with brand new ones. It started working again - great suction when it runs - both on carpet/rotating brush mode, as well as thru the hose. Picks up everything.
Now the problem - shut downs after 5-15 of working - motor just stops and there is complete silence. Unpluging/re-plugging does not help. Moving to another power outlet - does not help. I can confirm that there is reliable current/voltage supply. If I switch into carpet cleaning mode, the brush starts rotating. There is no suction or motor noise when brush starts rotating.
So I am assuming it is a thermal shutdown problem and when touching the ball, it is quite warm.
My extesive search over internet (did not know about this forum) found only this thread
https://www.fixya.com/support/t26537094-dyson_dc40_gets_hot_shuts_off_startBut it was aslo mentioned that overheating might be due to clogging. I don't see that happening in my case - just checked (after it shut down itself couple of hours ago). There is really good suction and again, hoses are clean.
So what I think it might be due to thermal protection fuse. This thread below indicating the same and mentioned in the thread that the problem was gone after fuse replacment:
https://www.reddit.com/r/VacuumCleaners/comments/djogu2/overheating_problem_with_a_dyson_dc39_ball/If this really my case as well, could you please point me how to properly replace the the fuse and what would be the right part number for the replacement?
I guess I can get from Aliexpress pretty much anything.
And if it is NOT thermal fuse then what?
Thanks in advance.