Firmware update — Krypton® Multi / Krypton® DIS (Total)

Older versions of the Kuntze analyzer may require a firmware update. This article covers both legacy platforms. The menu workflow is similar; the physical access to the SD card is different.

Topic	Krypton® Multi	Krypton® DIS
SD card location	In the lid assembly (snap-on lid)	On the rear of the analyzer
Access	Open lid; push SD in to release	Remove 4 corner screws; turn unit over

When requesting firmware, tell support your model (Multi or DIS), serial number, and version under Main Screen > System > Info.

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Obtaining firmware

Firmware is not offered as a public download in this article. Contact [e-mail] for the latest approved package for your Multi or DIS unit.

With partner access, use the Partner Portal — Kuntze Instruments.

Note: Unzip the package on your PC before copying files to the SD card. Use only firmware approved by Kuntze for your model.

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Video tutorial

The video shows Krypton® Multi lid access. For Krypton® DIS, follow the DIS procedure and the two reference figures (rear screws and SD slot).

Direct link: https://youtu.be/M9HYCYvYuAI

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Krypton® Multi 

1. IMPORTANT: Record settings (controllers, mA outputs, ASR, alarms, relays). Restore manually after update. Summary: Main Menu > System > Info > Settings.
2. Power off.
3. Remove the blue or black SD card in the lid (push in gently). See How to Open and Close the Krypton® Multi lid.
4. On a PC, delete all files on the SD card.
5. Copy all files from the firmware folder onto the SD card; eject safely.
6. Reinstall SD card; power on (firmware load should start automatically).
7. IMPORTANT: Factory reset after load: Main Screen > System > Reset > Okay.
8. Check version: Main Screen > System > Info.
9. Re-enter settings from step 1.

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Krypton® DIS 

Krypton® DIS does not use the snap-on lid for the SD card. The card is on the back. Unmount the analyzer from the wall if you need clearance.

1. IMPORTANT: Record settings (controllers, mA outputs, ASR, alarms, relays). Restore manually after update. Summary: Main Menu > System > Info > Settings.
2. Power off.
3. Remove the four corner screws and turn the instrument over carefully. 
   Figure 1 — corner screws for rear access.

4. Remove the blue or black SD card on the rear (push in gently). 
   Figure 2 — SD card on back of Krypton® DIS.

5. On a PC, delete all files on the SD card.
6. Copy all files from the DIS firmware folder onto the SD card; eject safely.
7. Reinsert SD in the same rear slot (push in gently until seated).
8. Power on (firmware load should start automatically).
9. IMPORTANT: Factory reset after load: Main Screen > System > Reset > Okay.
10. Check version: Main Screen > System > Info.
11. Re-enter settings from step 1.

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Important notes

• Do not interrupt power during firmware transfer.
• Multi and DIS use different firmware packages — do not mix files.
• Communication errors often clear after a successful update and factory reset.

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Related Articles

Krypton® Multi

• How to Open and Close the Krypton® Multi lid
• Factory Reset - Krypton® Multi
• Save/Load Settings — Krypton® Multi / Krypton® DIS & DIS (Total)

Krypton® DIS

• Factory Reset - Krypton® DIS
• Save/Load Settings — Krypton® Multi / Krypton® DIS & DIS (Total)