Sage Forum
Hi,
You have a 3-way solenoid valve problem. Either:
1. The solenoid coil is open circuit (faulty)
2. The circuitry that controls the SC is faulty.
3. The piston inside the valve body is jammed with limescale.
I'd put my money on option 3.
Best wishes.
Neville
Bassett Repair Shop, Southampton.