MAN1256-05-EN_EXLW_XLWP_UM
November 10, 2021
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23.4 Steps for updating the firmware:
Update firmware in an EXLW/XLW PRIME by completing the following steps:
a.
Unzip all files from downloaded .zip file (Step One) onto removable media.
b.
Plug removable media into a powered-up controller.
c.
Touch the upper-right-hand screen corner to slide out the control panel.
d.
Press and hold the SYSTEM key until the Boot Installer screen appears. Select System
upgrade option. Boot Installer screen appears.
e.
Press the Install Bootloader button and then press Yes.
f.
When Operation Completed appears, press OK.
g.
Power-cycle the controller and wait for it to boot up.
h.
Touch the upper-right-hand screen corner to slide out the control panel.
i.
Press SYSTEM key, select View Status and press the Enter button.
j.
If any of the version numbers are incorrect, verify the correct files were copied to the
removable media device and repeat the steps above.
For more Firmware Update information refer to the Firmware Update Manual, MAN1011, which
can be found on the Horner website.