Which state does your Mum live in?
Do you know if the communal laundry is on common property? Any by-laws detailing use of the communal laundry? Keeping electrical appliances safety tagged for e.g.?
Has there been any correspondence regarding changes to the communal laundry? From EC/AGM minutes? In my building, we’ve had a recent query delivered with a bit of outrage about something which has been discussed at the last 18 months of EC meetings & was a special resolution at the last AGM. Not saying that this is your Mum’s case but worth a double check.