Machine fills and empties OK, timer can be seen ticking but drum doesn’t turn. It has been wet (it is in an outside wash house) but all electrics look Ok.
Too many variations with Servis machines – please post up the model number M3—. It will be on either the filter flap or on a label around the door gasket.
I’m afraid dampness will almost certainly have damaged the module, these are quite expensive (£80-£90) so it may be worth asking an engineer to attend and confirm 🙂