erm, I don't think so as it's been in there for years.
I will check though.
I'm finding it gives enough time to shower yourself with water - then I turn it off while I wash - then I turn it back on to rinse. I guess it lasts about 3 minutes properly, then the pump tone changes and the...
HAHA!
Good call.
Anyway, he had the exact same issue as me, so I thought it worth a try.
The pump is boxed in behind the wardrobe - so I was hoping for a "oh, that's easy, it'll be the blah blah blah"
ho hum