IMPORTANT: Any time you install or remove components, disconnect power to the unit before you begin. "Hot Plugging" components in this manner can cause even further damage to one or more cabinet components.
To power down a Network 8000 cabinet, remove one of the two main fuses located towards the bottom inside of the cabinet.
In most instances where the pump card light is off with station power on, the pump card may still be operating normally. There may not be a problem unless you are experiencing additional pump card-related issues such as: sprinkler heads not engaging, pump not turning on, or incorrect current being reported by the faceplate.