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spacebischit
ParticipantSo finally got around to switching the surge capacitors and hey presto – the oven is back fully working again and has been for the past week! Thanks for the pointers – a very satisfying exercise.
Would just like now to clean inside the glass door, is this type of glass possible to be removed? It is different to my previous doors in that it looks like it is sealed, with no void. There are two screws but I’m not sure if they are for the hinges.

Any thoughts?
spacebischit
ParticipantIt’s going back, collection arranged today. The entire experience has been a disaster. This is the 3rd oven received, first 2 were damaged in transit, this the 3rd is faulty. I am going to order form another retailer.
spacebischit
ParticipantGreat – seems as if I might be onto something here at last then!
spacebischit
ParticipantI figured the fan out, there is a thermostat (normally open) which fires the fan when the temperature hits it’s threshold.
I have changed the relay but it didn’t fix the main issue, I’ve check the capacitors and resistors they “look” ok and seem to give expected readings with my multi-meter.
There isn’t that much to the PCB:

I’ve removed these two safety capacitors which do not give any readings, I believe they protect the circuit.

The PO mentioned something about a power surge which caused the issue, so perhaps this is the fault. They are cheap as chips so have ordered replacements.
spacebischit
ParticipantI’ve ordered a replacement relay, I’ll report my finding once I have fitted and tested it.
On another note, there is what looks like fan to extract heat on the exterior of the oven at the back (not the internal circulating fan). How is this triggered? I suspected the thermal cut out – I tried disconnecting the two wires which I guess is what happens when the normally closed (?) thermal switch hits the rated 220c to make it open?
Thanks.
spacebischit
ParticipantBy passing the the relay and the oven functions work! Does this suggest the relay itself is the problem or could it be something else on the circuit board?
Seems to be a cheap part to replace – although will require removal of the board and re-soldering which I can handle.
Thanks for the help!
spacebischit
ParticipantOk so unplug the two blue wires on the left and making those to by-pass the relay?
spacebischit
ParticipantThis is the back of the clock:

The relay is the white plastic box if I am not mistaken? Any tips on how to test this, I am thinking I might disconnect the right most blue wire (which has 2 wires) and check for a voltage there?
Thanks in advance.
spacebischit
ParticipantHmmm, there is an icon that looks like ‘heat’ which is illuminated as soon as the oven has power. I don’t seem to be able to turn that off. I did already try cycling through the auto and semi auto modes and the word Auto shows in the display when I do so.
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