Found this page: https://www.seattlecoffeegear.com/assets/files/silvia-pid-operation-manual.pdf
Discussing use of pid with silvia. It talks about the meanings of the different constants. This section: *Fine tuning the PID Constants * The parameters for the PID controller have been optimized for Rancilio Silvia with extensive testing. For most users, there is no need to fine tune the machine. For some machines, the temperature might oscillate 2 degrees occasionally. The recovery time might increase to 3-4 minutes when it is cold. These differences are not critical to most users because it might take that much time to prepare the next shot. As the machine warms up, the performance will improve. A warmed up machine could take less than 40 seconds to recover after pulling a shot. We found the most noticeable performance differences were between new machines and some old, poorly maintained machines. This is believed to be due to internal scale build-up in older machines which slows the response time. If you are technically adept and willing to read through the controller instruction manual, below are some hints that may help you fine tune the controller. Should you ever want to set the controller to its original state, Table 2 lists the default settings that come with the controller. Could scale cause my symptoms? It could be there is voltage when pid is activated but the burst is too short to be read by my cheapo dmm? I think - before throwing another $120 pid at it I think I'm going to try raising 'I', and also open up boiler for a proper descaling. -- You received this message because you are subscribed to the Google Groups "Brewtus" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/brewtus. For more options, visit https://groups.google.com/d/optout.
