Fermenter hysteresis

[MikonosII]

The fermenter hysteresis requires values in the heater component even if no heater actor exists in the fermenter hardware setup. With out some values in for the heater on / off the auto won't work.

[carlallen]

It works fine for me. Do you have values in all 4 offset fields? What does your log say?

[helibrewer]

Auto mode works but you will see errors for the function heater_off(), I assume because no heater actor is present app.txt

[carlallen]

Yeah, it will show errors in the log, but shouldn't break anything. It's probably not a bad idea to verify that there is a heater configured before turning it on/off, but since that doesn't actually break anything it's pretty low priority in the fixes.

[berazafi]

I had the same problem. Without any values entered into the heating offset fields, the Auto function would not turn on the cooling

[carlallen]

Yeah, even if you are not using heating, you still have to fill in all offset fields.

[Fuempel]

This can be more easily detected when using PR #221