61
Maintenance and Replacement of components
6.8
Performing a software update
To update the control software of the Condair DL or the firmware of one of its electronic boards, proceed
as follows:
1. Set the
<Control unit On/Off>
switch on the right side of the control unit to the Off position, then
switch off the voltage supply to the control unit via the external electrical isolator and secure switch
in the Off position to prevent it from inadvertent power up.
2. Unlock the front cover of the control unit and remove it.
3. Open control unit inner swing door.
4. Carefully insert FAT32 formatted USB stick containing the corresponding control software update
into the USB port on the control board. Make sure that the maximum length of the USB stick does
exceed 75 mm (3").
Note
: In order to update the control software a USB stick with a valid software update (the update
file must be on the highest level outside of any folder) must be connected to the USB port on the
control board. Otherwise, an appropriate error message appears when starting the software update.
5. Close control unit inner swing door, then relocate the front cover of the control unit and lock it with
the screw.
6. Remove the lock and tag from the external electrical isolator. Then, switch on external electrical
isolator to restore power to the control unit.
7. Set the
<Control unit On/Off>
switch on the right side of the control unit to the On position.
8. When the home screen appears, select the
<Menu>
button, then enter the password (8808) to login.
9. Select the function "Software Update" (Path: "Menu > Password. 8808 > Maintenance > Update >
Software Update". See also
10. The software update confirmation screen appears. Press the <Continue> button.
11. An information window appears after a few minutes with information on the software update. Press
the <Reboot> button to start the software update.
The update starts. During the update, the display is inactive and the LED is flashing blue. If the
update has completed the control unit returns to the home screen.
CAUTION!
Do not interrupt a software update once it has started. Wait until updating is completed. A corrupted
control software can render the control unit unusable.
Note
: If software update is accidentally interrupted, the control unit will not operate, but the software
update can be resumed by leaving the USB key inserted in the control board and power cycling
the control unit. The integrated controller will detect the control software was not properly installed
and restart the update.
12. Repeat steps 1 to 3, then carefully remove the USB stick.
13. Close control unit inner swing door, then relocate the front cover of the control unit and lock it with
the screw.
14. Repeat Step 6 and 7 to power up the control unit.
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