Whirlpool awz 8678 service manual6/13/2023 This means that the coil is open and the transformer can not work properly. But after heating the transformer the resistance on the secondary side (output) becomes infinite. So I decided to check the coils after unsolder the transformer.īy ambient temperature the internal resistance of the coils seems to be okey. On transformer that are quite old there is a possibility that the isolation of the coils is damaged. When I removed the hood just after the machine showed the error I noticed that the transformer (grey box) was quite hot. It is the signal to tell the main board if the content of the dryer is dryĪfter a quick check of the board none of the usual components seemed to be broken (diodes and capacities). “HS” where the metal bars are connected.a big one made of plastic: the power supply (230V).The box is holding a electronic card which has two other connectors. After removing the hood I saw that the metal bars are connected to a box on the side of the machine. There is probably some electronic behind which is failing. I don’t really see how metal bars could fail.
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