On 26/08/18 10:57, TheChief wrote:
TheChief Wrote in message:
Hi guys

Anyone give me a clue why my Bosch condensing drier might be
tripping the RCD on our ring mains?

What with the phone line going awol and the drier issue, it's not
the relaxing do nothing weekend I was looking forward to so
far.

Phil
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Well - went to check out the drier this morning, expecting to be
removing heater element.

Decided to get er-indoors to start the thing up and establish the
point in the cycle at which it tripped.

Apparently yesterday it tripped soon after start up of the second
cycle.

So far it has been running as normal without tripping.


So I am thinking:

A build up of moisture around the drier's electric bits
Or
It was a combination of appliances that did this.

Strange coincidence...

Yesterday the RCD tripped for the first time in several years. I'd dug
out a 4-years old Dimplex ceramic heater to use in the bathroom and
lounge as it was pretty cold yesterday with all that rain (we are
awaiting installation of a new boiler; fortunately we have an immersion
for hot water). It was on for over half an hour in the bathroom and
worked fine. Then I moved it to the lounge and it seemed ok there too.
Then my wife turned on the Beko tumble drier (5 years old) and after a
few minutes the RCD tripped. It tripped several times after resetting,
so something was playing up.

After much messing around and trying various circuits and disconnecting
several things, I came to the conclusion it was the tumble drier. Today
we turned everything on (except the tumble drier), including the
Dimplex, and all was fine. After lunch I decided to turn the tumble
drier on as we'd done some washing. And, of course, it worked fine. The
RCD didn't trip!

I haven't turned it on with the Dimplex going - and the immersion on -
to see if it is a combination. But it is very frustrating as it should
be pretty obvious what was causing the tripping.

--

Jeff