Recently (Jan 2019), our production facility made a change to the MD3s and started shipping them with newer firmware. This change was made for MD3 units with serial number after 846040001. When a new module is powered for the first time, it will look like this:
The firmware update has benefits, such as the ability to communicate with IQAN-G11 without having to upgrade the firmware first. However, it has had a negative affect. There are many customers that have older IQAN 2 applications that are in serial production. The new firmware on the MD3 does not allow for direct downgrading of the firmware using IQAN 2 products. This has to do with changes in the PC to hardware communication interface that has occurred between IQAN 2 and IQAN 4. If attempted, you may receive this error:
The way to be able to download the application requires using IQAN Run 4. In IQAN Run 4, choose Send Project:
Make sure to change the file filter to view IQAN 2 files:
You will then be able to download your project to the MD3. This may fail on the first attempt due to an OS conflict error. A second attempt of the send process should be successful.