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August 28, 2025 at 1:42 pm in reply to: Bosch Serie 8 WTW87560GB/02 not regulating internal temperature #493345
valenteaj
ParticipantIt very much feels like an overheating problem (hence the name of this thread ツ). I’ve tried the wetter clothing suggestion this afternoon and it made no difference unfortunately. I still had to wait for the machine to cool for about 20 mins before resuming the cycle. The ventilation fan still refuses to come on during the cycle.
I have taken the panels off the machine again though to try and observe anything else that might be considered unusual. The compressor is very hot to the touch. Is this normal?
August 17, 2025 at 8:58 am in reply to: Bosch Serie 8 WTW87560GB/02 not regulating internal temperature #493343valenteaj
ParticipantSo, a bit of an update. I stripped down the machine again, extracted the condenser/evaporator unit as suggested and gave it a good clean out along with the condensate tray. There wasn’t much in the way of residue and it is now pristine.
Unfortunately, this seems to have no effect. The compressor still stops operating after about 1-2 hrs (generally the amount of time I expect the ventilation fan to kick in). When the compressor is working though, it does seem to do its job. Water is pooling in the condensate tray.
[USER=”49782″]kaibart[/USER] the total power draw from the machine after about half an hour or so is ~600W. When the compressor stops, it drops back down to 200W.
I have to turn the machine off for about 20 minutes for it to cool down a bit when I can then switch it back on again to complete the cycle.
I have really run out of ideas now. Is there anything else that I should be looking for?
July 22, 2025 at 6:58 am in reply to: Bosch Serie 8 WTW87560GB/02 not regulating internal temperature #493339valenteaj
ParticipantHi Dave. From what I remembered it did look fairly clean, but I could take a look and see if the lint is caked on like you say.
One other thing I failed to mention before was that I took temperature readings of the entry and exit pipes of the condenser and evaporator. Condenser measured 60 in and 35 out. Evaporator measured 5 in and 20 out, so they appear to be dissipating and absorbing heat. Just not sure if those are the measurements to be expected.
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