Thermal Fuse 184
Change the fuse on the boiler. Its a quick fix.
The thermal fuse in the Gaggia Classic is likely tripped and it is not re-settable. The fuse has the following stamped on it: MICROTEMPSKMAHDG4A00184C I believe that is what is the culprit for all of us when the "power doesn't come on." Now, what is the rating of this fuse and where to get a replacement? The fuse is the small resistor-like, diode-like part in a clear tube mounted against the boiler, and it must be physically cut out of the line to replace it!
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