OP
GreenGoblin
DIY
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I really appreciate the advice. Based on what you and others have said, I'm not going to bother Bosch again. I've not done anything myself to the wiring in the 16 years I've been here. The machine sits on a solid tiled floor in the kitchen. There is some visible vibration on the machine when the starts to ramp up or slows down, but this same machine for going for two years in the same location without tripping. Perhaps it gradually slightly moved out of place over the years and this is causing problems. I just don't know.I would say at least until the wiring is clarified it's not worth going to Bosch. The issue with the breakers may or may be relevant to the washing machine but needs to be sorted and they will do nothing if they can in any way pin it on the installation anyway.
The consumer unit appears to be old but a good brand and well installed with isolator etc, so it may well be something simple. Has the wiring for the kitchen been 'upgraded' at any point by a kitchen fitter or similar? Is it a solid floor? or could there be hidden junction boxes etc below the floor or on joists that might be affected by vibration?
There may be multiple causes/faults occurring here so it is hard to give an opinion on continued use, although the RCD protection reduces the risk to some extent (assuming it continues to work correctly)
A Breaker (MCB) tripping more than once is usually a more significant fault than the intermittent RCD type fault and that should be of concern, so I would be getting an electrician to look at it sooner rather than later.
I plan to book the electrician in for Thursday, but I desperately need to use the machine tomorrow. I was just hoping it would be okay to use for one more wash before the electrician looks at it. I guess I'll have to think about whether it's worth taking the risk.
Anyway it's pretty clear I need to get it looked at. I don't know anyone else that I could ask for advice, so I am really grateful for all the advice from you and others in this thread.
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Thing is, all the sockets on circuit B are located in the hall, my bedroom and the living room (based on my investigation). The sockets in the kitchen (including the one that the machine is on) are all on circuit A, so I don't understand how circuit B's sockets could be disturbed by the vibration from the machine when none of them are located near the machine.In your wiring (or just possibly in another appliance, but very unlikely as repeatedly tripping a 32A breaker would cause a 13A fuse to fail very quickly).
My own suspicion is there is a loose wire in the back of one of the sockets on the circuit 'B' that is tripping, and it is the vibration from the machine starting a spin that is triggering the fault. So probably it is a socket (or maybe junction box) that is physically close to the machine to be disturbed.
But as already said above, it really needs an electrician to visit and check things out!
But as you say, it's best to get the electrician in. Thanks for your thoughts.
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