Continuing to charge with a damaged relay will often lead to a burnout, making repair much more involved/less reliable. That may unstick it, sure, but the relay damage had already been done. oh, god, please don't do the "bash it on the side" fix. beeeeep.) while the LEDs flash in time with the beep (this is a "1-beep", meaning a general internal self-test failure) - or, on older firmware (without LEDs), it may be 5 beeps (meaning "stuck relay"), repeating with a delay between. If you get a stuck relay, it may either be a single repeating beep (beeeeeep. Relay chatter is often how a flaky ground manifests, when it doesn't simply go "beeeeeeeeee~~!!" (0-beep, a constant never-ending beep) which typically indicates "no ground".Ĭheck that your ground is well-connected, that the lower nuts holding the board to the chassis are tight/secure, and that the ground path you have is connected to the service Neutral line at the panel (as "ground" is a neutral line that doesn't carry current - so that a short-circuit will carry enough current to trip the breaker).Īnd then, probably replace the relay, as it's undoubtedly charred all to heck by now with the chattering! More likely, though, I'd suspect you're seeing a grounding issue on the board - a sketchy ground connection can make the ground detection circuit interfere with the relay circuit (as there's a hardware interlock to it), but not enough for the microcontroller to pick-up that the ground is causing the problem. The relay itself is not capable of "going nuts" - it's a simple electromechanical device. The JB Pro 75 - black box, no LEDs - uses this relay: īut it's not likely to be your issue. My goal is just to keep JuiceBoxes in service and fix design issues that were discovered years later, so they'll be better than new. Repairs are almost always under $200, including round trip shipping. Send me a message, anyone with a failed JuiceBox. I've designed and built replacement front panel LED strips (can also be added to any JuiceBox with PCB 8.14.x or newer), relay boards, and power supply circuits to fix issues with 8.12.x and 8.14.x failed -12v, -2.5v, or +5v circuits. I love keeping those memories alive - the best time of my life so far - by fixing JuiceBoxes. those "v1.x" boxes were my baby (along with a scrappy team of engineers of which I played part of "glue", not necessarily designing much, but solving problems). Former engineer that worked on every box from the earliest Kickstarter boxes, to the latest black painted JuiceBoxes. They can all be repaired! I specialize solely in JuiceBox repairs as a hobby, and have fixed a pretty large number of boxes and any problem you can imagine (yes, even if you open it and find it caught fire inside.
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