The E20 code will show when the machine detects a short circuit in the circulation pump. Check the pump connector and the wiring going to it, you can also check the resistance of the pump itself - it should be around 43ohms.
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0:00 Intro and explanation of the fault
0:47 Things to check first
3:06 Disassembly
5:25 Checking the pump
6:33 Thanks for watching, buy me a coffee
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