NETWORK 8000 ISSUE: sprinkler heads not coming on

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.

Check that the light on the pump card is turned on.
Swap the pump card with a known working one.
Check for corrosion on the 9-pin connector as well as the solder connector pads on the bottom are free of corrosion.

If the issue still exists, send the unit in for reconditioning. Create a UPS Shipping Label HERE