Extra Utilities Solar Automation

local solar = peripheral.find("extrautils_generatorsolar")
--write("test success")

energy = 0;
MAX = 700000
MIN = 100000

while (true)do
    energy = solar.getEnergyStored()
    if (energy >= MAX) then
        print("switching to transmit mode")
        redstone.setOutput("top", true)
    end
    if (energy <= MIN) then
        print("switching to charge mode")
        redstone.setOutput("top", false)
    end
    print("current energy: ")
    print(energy)
    print("")
    sleep(2)
end