My rain soft water system the tank is full of water what do I do?

My sister-in-law just bought a house that has an old Rain Soft water softener in it. The only thing I can find on the head is an electronic brain. I would like to find an owner's manual, but don't know how to proceed. Can you help? Thank you, ...

How do you set the timer on a Gold series rain soft water softner that is about 2 years old?

I have what seems like a very odd problem. I have lost water pressure to all sinks, one shower (other works fine), and the backyard hose (frontyard hose works fine). I'm very confused, but initially had a problem where some tiny gold pellets of some sort had backed up into places where we were...

All the cold taps upstairs and the toilet are now running hot. Cold water tank in the loft is full of hot water! Help!

Hi ! We have a second home. After not being there for several weeks we noticed that the upstairs toilet had no water in it. The tank is full but the toilet is empty. What could be the cause of this? Is something clogged? Thanks Mimi