Page 209 - PHU_User Manual_EN_Rev A

APPENDIX

7. Press the Voltage knob.
The message “Firmware update…” Voltage
will appear on the screen, and the
device will begin updating the
firmware version. (During the
update process, the fan may run at
full speed, which is a normal
phenomenon.)

8. At the end of the update process, the Enter
message window shown below will
appear. After pressing “Enter” on the
panel, the PHU will restart and the
update process will be completed.

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