Typical, just when you’re looking forward to a nice warm shower it breaks!

When you turn the power on there’s the usual noise from the pump but no water comes out. I’m going to have a fiddle tonight but any ideas?

frozen pipe?
Careful, it may burst if so.

Don’t think it’s a frozen pipe…the water still runs to the bath and all other taps are ok.

I’m wondering if it’s the solenoid or something in the shower unit.