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Electronic Theatre Controls Inc

New front panel on Road Hog 4 is not responding


A new front panel has been installed in a Road Hog 4 and the front panel is not responding.

Description/Explanation of Issue

A new revision of the Front Panel used in the Road Hog is being used. The new front panel can only be used on Hog 4 OS v3.10.0 and greater.


  1. Confirm the board is connected correctly
  2. Update the console to at least Hog 4 OS v3.10.0 or later.
  3. If the front panel is still not working, contact HES support.

Differences in Front Panels

Rev 1 Front Panel uses a large U35: Silabs C8051F700

Rev 2 Front Panel uses a small U35: Silabs C8051F704

Rev 1 Front Panel is marked PCB: 99030249EF REV: 03

Rev 2 Front Panel is marked PCB: 99030249EF REV:  05

How to tell the difference on the console

  1. Open the control panel
  2. Tap on System Info
  3. Read the numbers in the parenthesis next the Hog4 Roadhog
    1. Rev 1 Front Panel will read: (2,0,1) - The middle 0 indicates rev 1
    2. Rev 2 Front Panel will read: (2,6,1) - The middle 6 indicates rev 2

Software Version Compatibility

Rev 1 Front Panels are compatible with all Hog 4 OS versions

Rev 2 Front Panels are only compatible with Hog 4 OS v3.10.0 and later


Related Links/References

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