Welbilt MANITOWOC Indigo NXT User manual

Manitowoc Ice
PO Box 1720
Manitowoc, WI 54221-1720
T 920-682-0161
www.manitowocice.com
1
Instructions for upgrading Firmware for Indigo NXT Ice Machines
Step 1:You must use a formatted 32 GB or smaller Flash Drive. This procedure can be downloaded from
the Manitowoc Ice website www.manitowocice.com
Caution: Not following this procedure may impede the upgrade process.
Note: The following instruction for Upgrading Firmware applies to upgrades for the Indigo NXT ice
machine control boards and display interface.
At a Windows Based Computer (PC)
Step 2:Download Firmware from website,
https://www.manitowocice.com/Service/Indigo-Firmware-Updates to
your computer.
Step 3:Insert 32 GB or less Flash drive into computer and Format
according to Parts and Service Communicator MII-070
Inserting Flash Drive into Computer

Manitowoc Ice
PO Box 1720
Manitowoc, WI 54221-1720
T 920-682-0161
www.manitowocice.com
2
Step 4:Open Firmware Zip and then open the folder.
Do not change or rename the files as that will impede the upgrade process.
1. Copy the eighteen (18) files and paste them onto your properly sized and formatted flash drive.
*Note: All revisions (for Indigo E, G & H and Indigo NXT Firmware) will be loaded onto one flash
drive. The Indigo and Indigo NXT Ice Machine control board will automatically select and load the
correct files from the flash drive.
Step 6:Remove Flash drive from computer (suggestion: mark flash drive with the firmware revision to identify
at a later date.)
Copy all 18 files from your Computer
Paste all 18 files on to your Flash Drive
Confirm that all 18 files are on the Flash Drive

Manitowoc Ice
PO Box 1720
Manitowoc, WI 54221-1720
T 920-682-0161
www.manitowocice.com
3
To Upgrade Firmware on the Indigo NXT Ice machine
1. Insure ice machine is off and Press
Menu Button.
2. Press Service.
3. Press USB.
4. Insert Flash Drive with loaded firmware
into the USB port on the Control Board.
5. Press “UPGRADE FIRMWARE”.
6. Wait for completion. This may take up
to 10-15 minutes.

Manitowoc Ice
PO Box 1720
Manitowoc, WI 54221-1720
T 920-682-0161
www.manitowocice.com
4
**Caution, NOT following the instructions may impede upgrade process**. While upgrading firmware:
•Do Not Disconnect power
•Do Not Remove Flash Drive
•Do Not press any of the interface buttons
Once complete, the display goes back to the home screen and may be locked. Press the Lock/Unlock button
if the screen is locked.
7. Reset defaults to Factory Specification.
8. Remove flash drive and check Firmware Revision under Machine information for proper loading.
9. Cycle Power (disconnect power and reapply power) to the ice machine.
10. Check for Proper Ice Machine Operation.