My takeaway is: don't expect that can reproduce the readings in that YouTube video for testing the Leaf diode. At 40 amps (10kW), the JuiceBox 40 charges up to 7x faster than a Level 1. I've tested L2 charging the Leaf on public chargers, and it worked fine on Chargepoint, Siemens and Aerovironment. Spend less time waiting for your EV to charge and more time enjoying the drive. I have no idea why they read an order-of-magnitude different from each other when checking for a working diode on the Leaf. But I checked both meters using a pile of 10K resistors, and on every resistor, both meters agreed to within 0.2%. This is odd, since YouTube claims that I should be reading K-ohms from pilot to ground, and Mega-ohms from ground to pilot ( ). A second (even cheaper) multimeter read 3 meg-ohms pilot to ground and infinite from ground to pilot. My MS8239D multimeter read 12 mega-ohms from pilot to ground, and infinite from ground to pilot. JuiceBox® Pro 40 Specifications Electrical Characteristics Power: 40A, 9.6 kW Single phase input: nominal voltage 208/240 VAC, voltage range 177 264 VAC Input Cable & Plug 2.3 ft (0.7m) with NEMA 14-50 plug 2.3 ft (0. I set the Serial Monitor app in Arduino IDE to "9600,8,N,1")Īfter seeing this Diode Check Fail error, I checked resistance from the Leaf's J1772 pilot pin to ground pin, and vice-versa. The FTDI's CTS and +5V were left unconnected. enel X JuiceBox 48 659 (not available until late march/early April I’m told) up to 240V, 48A / 11. (for posterity: I connected an Arduino FTDI's RX pin to juicebox TX pin, FTDI TX to Juicebox RX, ground to ground and FTDI DTR to juicebox ground.
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