Miele WT2780 Thermal Reset – Underlying Problem?

[APT]

Hi there,

We have a Miele WT2780 washer dryer that’s about 11 year’s old.

It’s mostly been well behaved, we try to look after it using the “rinse out fluff” cycle regularly and semi-regular descale washes.

We had a problem at the weekend where the drier wasn’t getting warm. We didn’t realise initially and just extended the dry cycle, in the end we got a “Technical Fault 55” error.

Yesterday, having done some reading online, I cracked it open and pressed the thermal reset button which had tripped, this resolved the issue. It’s getting warm again during drying which is great.

While I was in there I made sure to inspect the inside of the air duct (expecting it to be full of fluff) but it was pretty clear really. There was a touch of scum/limescale on the element but nothing disastrous.

As i say, it seems fine since I pressed the reset button, but I’m half expecting the issue will return before long, as there may be some other underlying problem.

If it does stop getting hot during the dry cycle again shortly, what would it be likely to be? Dodgy thermostat? Heating element?

Thanks in advance for any pointers,

Andy

[electrofix]

blockages and air flow problems is always the first thing to look for followed by sensor malfunctions but if it only happens every now and then it can be hard to find

Dave

[APT]

Thanks Dave,

Ahh okidokie. Yep I’ve no idea if it’ll behave now or the fault will just come straight back. I just wondered what I might need to look at next if it did (and how expensive it might get).

I was surprised how clean it was in there really, only trace of any fluff was a little hint of something on the small fan to the rear of the machine, it wasn’t easy to get to though so I left it alone.

Fingers crossed it’ll be good as gold now.

Andy

[Author]

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