My device shows MMC error or its status LED is red

Get in touch with our support team via our website and include the serial number of your device, a brief error description and describe what happened before the issue arose. If this occurred right after a KOS update via USB, please also send the log files created on the USB drive during the KOS update procedure, and include the last KOS version installed on the device.

Customer Support: www.klang.com/contact/

Follow these steps, and stop once device is booting normally again

1. Start a video recording of the display or LED and restart device
2. Perform a USB KOS Update; it might take up to 30s until display or LEDs are lit
3. If display shows “MMC error”, MMC card needs to be re-seated/renewed
   – :kontroller needs to be sent in for service, last display is blinking yellow
   – :vokal/:konductor: Remove the cover plate (4 screws, rear panel, right side, opposite to power inlet), re-seat micro SD card(s): push on the card, take it out, wipe contacts, push in again. Do the same for the other card on :konductor. Power :vokal/:konductor on.
   – Remove DMI-KLANG. Re-seat micro SD card. Push on the card, take it out, wipe contacts, push in again. Install DMI-KLANG again.
4. Perform a KOS Update via USB.
5. Replace micro SD card / Customer support will help you with this process.