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[llurk]

I've installed a basic PID (no pre-infusion) on my Rancilo Silva three days ago. Worked like a charm initially.
This am, after 2 successful shots, the brew and steam buttons are not working:
. the boiler warms up correctly to 105C
. I can get hot water with a good stream
. all the wires/connections seem to be correct (none are dislodged)
. the jumpers in the machine and the SSR are ok

Any suggestions ??