Question about DeLonghi DCU72 Coffee Maker
I have the same problem.
I disassembled the bottom of the coffee maker, and unscrewed
the bracket holding the circuit card.
I cut the input power and ground wires from the plug to the card, and detached its modular wire for the heating element.
I removed the card (to take to lab for further debugging).
Then I bought some .25 inch modular tab connectors at the hardware store and attached one to the power wire formerly going to the circuit card. I attached this to the heating element.
I covered the spare ground wire with electric tape.
Now I have a coffee maker which brews coffee again (except that I must pull the plug to shut it off). I must be careful not to let the
water boil away, but that is usually not a problem.
If I figure out what is wrong with the circuit card, I will update you.
It has a microprocessor, and I am not optimistic about replacing
that (with the right program in it). If it is the triac (the component
with the big block heat sink), it can be done.
Posted on Feb 08, 2009
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