Why does my dishwasher work sometimes but not others?
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I have a Whirlpool dishwasher that is about 5 years old. Lately, it has been not working more often than it works. What happens is I open it after the cycle to find that the tablet is undissolved on the bottom and the arm has not moved. I ran diagnostics, which sometimes gives the error code 4-3 and sometimes 1-2.
I don’t think it’s the circulation pump because, if it was, why would it work sometimes? If I reset it by cycling the electricity, that sometimes makes it work—but not always.
Any clue what could be going on here?