Symptoms/Issue
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.
Fix/Solution
- Confirm the board is connected correctly
- Update the console to at least Hog 4 OS v3.10.0 or later.
- 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
![clipboard_e3e2effb7746ae013c90a2581b795aee4.png](https://support.etcconnect.com/@api/deki/files/3003/clipboard_e3e2effb7746ae013c90a2581b795aee4.png?revision=1)
Rev 2 Front Panel uses a small U35: Silabs C8051F704
![clipboard_e4cefb9d7675edc841f0cca743f4958ac.png](https://support.etcconnect.com/@api/deki/files/3004/clipboard_e4cefb9d7675edc841f0cca743f4958ac.png?revision=1)
Rev 1 Front Panel is marked PCB: 99030249EF REV: 03
![clipboard_ee8f5aaef550ab07bb321af0715d378b7.png](https://support.etcconnect.com/@api/deki/files/3005/clipboard_ee8f5aaef550ab07bb321af0715d378b7.png?revision=1)
Rev 2 Front Panel is marked PCB: 99030249EF REV: 05
![clipboard_ee6376c439b307e9e8afa317d90a72352.png](https://support.etcconnect.com/@api/deki/files/3006/clipboard_ee6376c439b307e9e8afa317d90a72352.png?revision=1)
How to tell the difference on the console
- Open the control panel
- Tap on System Info
- Read the numbers in the parenthesis next the Hog4 Roadhog
- Rev 1 Front Panel will read: (2,0,1) - The middle 0 indicates rev 1
- 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