To inform customers on the procedure of upgrading the SUMU NMC/Display firmware using the USB Port
Product Line:
Smart UPS Modular Ultra
Environment:
All models, all serial numbers
Resolution:
Note: The NMC/Display FW update can be performed with the UPS output on
- Download the firmware upgrade file. Note: Always refer to the web site for UPS model and latest firmware.
- Create a folder named apcfirm on the USB flash drive.
- Extract the firmware file.
- Double click then run the .exe file. The following window should open and deselect the option in the red box, then unzip.
- Close the WinZip extractor
- In the new folder created in the download directory, open the folder, and open the 'Bins' folder
- In the 'Bins' folder, copy just the '.nmc' file and place that file in the apcfirm directory
- Example
- Use a text editor to create a file named nmc3.rcf. (The file extension and text format must be .rcf, not .txt for example.)
- In nmc3.rcf, add a line for the firmware package to be upgraded.
- For example, to upgrade Smart-UPS application version v2.x, type: NMC3=apc_hw21_su_2-x.nmc3
- Save the nmc3.rcf file in apcfirm folder.
- In order to make sure the file is changed to a .rcf file, please follow the steps below:
- In the folder where the "nmc3.rcf" file is saved, go to the 'View' tab and make sure "File name extensions" is checked.
- Find the "nmc3.rcf.txt" file and rename it to just "nmc3.rcf". Click yes.
- The File Type should now show it as an "RCF File".
- In the folder where the "nmc3.rcf" file is saved, go to the 'View' tab and make sure "File name extensions" is checked.
- In order to make sure the file is changed to a .rcf file, please follow the steps below:
- Insert USB storage device containing NMC/Display firmware update into USB port located on the display
- Pop-up screen appears acknowledging connected USB storage device; touch OK to continue. The pop-up screen window is open for approx. 5 sec then disappears.
- On the USB Storage screen that appears, select “Install NMC Display Firmware” and touch OK
- Select Yes to continue the update process; select No to abort. If yes is not touched quickly enough, the menu reverts back to the original message.
- Wait for the NMC display to reboot; this will take a couple of minutes. The display will go blank
- Status LED will illuminate amber during the update
- Navigate to Home -> About -> Display -> right arrow to second window to verify the firmware Application version
- Navigate to Home -> Configuration -> USB Storage and select Eject storage device when completed
Potential Issue if encountered:
If a No UPS Communication Error occurs, refer to https://www.apc.com/us/en/faqs/FAQ000263669/ How to recover your Smart UPS Modular Ultra from a No UPS Communication Error
Released for: Schneider Electric Egypt and North East Africa










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