I am having an issues with my Rainbird ESP-Modular controller. I think we had a nearby lightning strike while we were on vacation. Since then, one zone (Zone 1) valve stays activated all the time and I have a constant alarm light. I have put a new solenoid on the valve but it still stays activated. The alarm light stays lit like the rain sensor is activated. I have jumpered out the sensor and it still stays lit. There are no error codes on the LCD. All forms of resetting the controller have no effect. I have basically determined that this is either the main module (zero module) or the controller is faulty. Can anyone give me guidance so I know which to replace?