There will always be a small amount of leakage current through a snubber, so you may well read 230V but it should not be enough to operate the damper.
What is 'F' in your diagram?
There will always be a small amount of leakage current through a snubber, so you may well read 230V but it should not be enough to operate the damper.
What is 'F' in your diagram?