Case #989246

I have 3x Baldrick input 8's for an installation, along with 2x Baldrick 8 controllers and an Rpi5 running FPP. One Baldrick Input board appears to be faulty and becomes unstable after running for a short period. After a reset, the board connects to the network and operates normally for a short time. After several minutes, it disappears from the network entirely and stops responding to ping or appearing in FPP/router device lists. The Ethernet link lights remain active and the board still appears powered, but it is no longer reachable. Once it has entered this failed state, it will fail again much more quickly on subsequent resets and can destabilise the network until it is unplugged or reset again. This behaviour is consistent and repeatable and only occurs with this specific board. I have swapped it with other Baldrick Input's PSUs, Ethernet, pixels, everything. I have tried pretty much every fault test, reset, way of swapping components to trace the issue, and its defintely the board, and not any of its surrounding equipment. Quite stressed at this point as its for a project thats exhibiting next week!

Extensive isolation testing has been carried out to rule out power, network, and configuration causes: Power testing: Originally suspected PSU issue. Swapped this board onto a different PSU rail. Swapped known-good input board onto the original PSU. The fault followed the board, not the PSU. Other boards run stable on the same PSUs. Power supply voltage measured and stable. Network testing: Swapped Ethernet cables. Swapped switch ports. Tested using both Ethernet ports on the board. Other devices remain stable on the same network. When the board fails, it disappears from DHCP and cannot be pinged. Link LEDs remain active. System isolation: Connected devices one at a time to identify the trigger. Network remains stable until this specific board is connected. Once this board fails, it can cause instability until reset/unplugged. Behaviour pattern: After reset → works normally for a short time. After several minutes → disappears from network. LEDs remain on, Ethernet link still active. Reset restores function temporarily. After first failure, subsequent failures happen much faster. Physical checks: Power wiring checked and re-terminated. No obvious loose terminals. Other identical boards in the same setup work reliably.