- Unplug the HI-PRO power cable and plug it back in again firmly. Ensure the HI-PRO power light is on.
- Check the serial or USB cable and ensure it is firmly plugged into the computer system and the HI-PRO.
- Run a HI-PRO check which can be found in the Options > Preferences > Fitting Device > HI-PRO menu. Confirm the HI-PRO connection method reflects your current setup using the HI-PRO configuration button.
If you have tried all of the above and are still unable to fix the problem, please contact Unitron for support.
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