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4 Hybrid Technical Description
webserver. In this case you should force a bootstrap mode by powering
up or resetting the unit whilst holding down the Line Hold button for 8
seconds. The LEDs show an alternating 2on-2off pattern that switches to a
4on-4off pattern after 8 seconds. Now release the button and connect to
the bootstrap webserver either by discovering the unit with the discovery
app or by powering up with DIPSwitch 6 set to ON, when the unit will be
found at a fixed static IP address of 192.168.0.100.
Select the firmware file to be uploaded – a link to our website is shown to
fetch the latest version of code – and then press update. The DHY-04 will
reboot when the file transfer is complete.