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Microwave oven

fail in microwave 8888 after pf and then f3

yoelsi
yoelsi
415
hace 5 años
hace 5 años
hello everyone I get a general electric microwave The problem is the following when I connect it marks all the indications of the 8888 panel after 30 second pf mark and then f3 followed by three pito now the tests I have done are the following disconnect the panel control (keyboard) and nothing probe the switche and are good anyway I change them and nothing disconnect the magnetron and nothing disconnect the transfor and nothing I think the fault is in the card that another test recommend me or that could be causing me failure
hector técnico 2023
hace 5 años

If it is probable but the same cheka what I tell you if all is well without a doubt the ic is bad greetings

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hector técnico 2023
hace 5 años

If friend you can place it with an interlock, there is no problem as long as the client agrees.

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yoelsi
yoelsi
415
hace 5 años

It has some diagram that can guide me since I have to put it to work with all its components bone light bulb, fan, turn the plate .... if you can help me I appreciate it or simply place the switche in a strategic point that allows the operation completely remember that the operating time is already part of the client

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hector técnico 2023
hace 5 años
hace 5 años
Hello colleague, greetings, this code of 8888 is usually caused by the membrane or the microcontroller of the electronic board and with the test that you discarded the touch now the following is to check the electronic board to test leaking transistors diodes in leaks and altered or low resistors and filters and that the welds are fine if everything is correct the fault is in the controller ic greetings comments results. Atte Hector from Venezuela
yoelsi
yoelsi
415
hace 5 años

Thank you for answering and guiding me, I am going to check and comment but beforehand I lean towards the microcontractor

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yoelsi
yoelsi
415
hace 5 años

Hi friend Hector, I told you to check the whole panel and I did not find anything, I guess that the micro is damaged, now I have a question to see if the microwave can be operated without that panel with a switch to work and so the client can recover In microwave, since I do not have a panel, I am from Venezuela and since this situation in our country is expensive to buy a microwave or any appliance, it would be on the client's side the stipulated time of the operation of the device I want to implement this method but when there will be the door this is deactivated

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