So... I'm in exactly the same state here (only trying to run charger three for now):
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{
"idclim": {"unit":"A","value":45.00,"isparam":true,"minimum":0.00,"maximum":45.00,"default":45.00,"category":"Charger","i":0},
"iaclim": {"unit":"A","value":12.00,"isparam":true,"minimum":0.00,"maximum":72.00,"default":16.00,"category":"Charger","i":1},
"idcspnt": {"unit":"A","value":5.00,"isparam":true,"minimum":0.00,"maximum":45.00,"default":45.00,"category":"Charger","i":2},
"chargerena": {"unit":"1=Charger1, 2=Charger2, 4=Charger3","value":4.00,"isparam":true,"minimum":1.00,"maximum":7.00,"default":7.00,"category":"Charger","i":3},
"udcspnt": {"unit":"mV","value":385900.00,"isparam":true,"minimum":50000.00,"maximum":420000.00,"default":403000.00,"category":"Charger","i":4},
"udclim": {"unit":"V","value":394.56,"isparam":true,"minimum":50.00,"maximum":420.00,"default":398.00,"category":"Charger","i":5},
"timelim": {"unit":"minutes","value":-1.00,"isparam":true,"minimum":-1.00,"maximum":10000.00,"default":-1.00,"category":"Charger","i":6},
"inputype": {"unit":"0=Type2, 1=Type2-3P, 2=Type1, 3=Manual, 4=Manual-3P","value":0.00,"isparam":true,"minimum":0.00,"maximum":4.00,"default":1.00,"category":"Charger","i":7},
"cancontrol": {"unit":"0=Off, 1=On","value":0.00,"isparam":true,"minimum":0.00,"maximum":1.00,"default":0.00,"category":"Charger","i":8},
"enablepol": {"unit":"0=ActiveHigh, 1=ActiveLow","value":0.00,"isparam":true,"minimum":0.00,"maximum":1.00,"default":0.00,"category":"Charger","i":9},
"idckp": {"unit":"","value":1000.00,"isparam":true,"minimum":0.00,"maximum":10000.00,"default":1000.00,"category":"Charger","i":10},
"idcki": {"unit":"","value":10000.00,"isparam":true,"minimum":0.00,"maximum":10000.00,"default":10000.00,"category":"Charger","i":11},
"pin": {"unit":"","value":0.00,"isparam":true,"minimum":0.00,"maximum":67108863.00,"default":0.00,"category":"Charger","i":12},
"opmode": {"unit":"0=Off, 1=Run","value":1.00,"isparam":false},
"state": {"unit":"0=Off, 1=Enable, 2=Activate, 3=EVSEActivate, 4=Stop","value":3.00,"isparam":false},
"uptime": {"unit":"s","value":1863.00,"isparam":false},
"version": {"unit":"4=1.07.R","value":4.00,"isparam":false},
"lasterr": {"unit":"0=NONE, 1=CHARGERCAN, 2=CHARGERFAULT, 3=EXTCAN,","value":0.00,"isparam":false},
"uaux": {"unit":"V","value":13.28,"isparam":false},
"aclim": {"unit":"A","value":0.00,"isparam":false},
"hwaclim": {"unit":"A","value":0.00,"isparam":false},
"modaclim": {"unit":"dig","value":0.00,"isparam":false},
"modcmd": {"unit":"dig","value":254.00,"isparam":false},
"cablelim": {"unit":"A","value":63.00,"isparam":false},
"evselim": {"unit":"A","value":15.59,"isparam":false},
"idc": {"unit":"A","value":0.00,"isparam":false},
"udc": {"unit":"V","value":0.00,"isparam":false},
"soc": {"unit":"%","value":0.00,"isparam":false},
"proximity": {"unit":"0=Off, 1=On","value":1.00,"isparam":false},
"enable": {"unit":"0=Off, 1=On","value":1.00,"isparam":false},
"canenable": {"unit":"0=Off, 1=On","value":0.00,"isparam":false},
"cpuload": {"unit":"%","value":0.00,"isparam":false},
"c1stt": {"unit":"","value":0.00,"isparam":false},
"c1flag": {"unit":"0=None, 1=Enabled, 2=Fault, 4=CheckAlive","value":4.00,"isparam":false},
"c1tmp1": {"unit":"°C","value":0.00,"isparam":false},
"c1tmp2": {"unit":"°C","value":0.00,"isparam":false},
"c1tmpin": {"unit":"°C","value":0.00,"isparam":false},
"c1uac": {"unit":"V","value":0.00,"isparam":false},
"c1iac": {"unit":"A","value":0.00,"isparam":false},
"c1udc": {"unit":"V","value":0.00,"isparam":false},
"c1idc": {"unit":"A","value":0.00,"isparam":false},
"c2stt": {"unit":"","value":0.00,"isparam":false},
"c2flag": {"unit":"0=None, 1=Enabled, 2=Fault, 4=CheckAlive","value":4.00,"isparam":false},
"c2tmp1": {"unit":"°C","value":0.00,"isparam":false},
"c2tmp2": {"unit":"°C","value":0.00,"isparam":false},
"c2tmpin": {"unit":"°C","value":0.00,"isparam":false},
"c2uac": {"unit":"V","value":0.00,"isparam":false},
"c2iac": {"unit":"A","value":0.00,"isparam":false},
"c2udc": {"unit":"V","value":0.00,"isparam":false},
"c2idc": {"unit":"A","value":0.00,"isparam":false},
"c3stt": {"unit":"","value":0.00,"isparam":false},
"c3flag": {"unit":"0=None, 1=Enabled, 2=Fault, 4=CheckAlive","value":4.00,"isparam":false},
"c3tmp1": {"unit":"°C","value":0.00,"isparam":false},
"c3tmp2": {"unit":"°C","value":0.00,"isparam":false},
"c3tmpin": {"unit":"°C","value":0.00,"isparam":false},
"c3uac": {"unit":"V","value":0.00,"isparam":false},
"c3iac": {"unit":"A","value":0.00,"isparam":false},
"c3udc": {"unit":"V","value":0.00,"isparam":false},
"c3idc": {"unit":"A","value":0.00,"isparam":false},
"serial": {"unit":"","value":"67081819:57486786:668FF51","isparam":false}
}
- I checked the solder bridge for can termination and it's fine.
- Next I looked at the termination resistor and its marked 1200 so 120 Ohms, seems good.
- For completeness I measured the resistance of the termination on the CAN H/L pins... 14.7k Ohm... that seems bad...
- Unplug the 24 pin connector, 73k Ohm on the logic board CAN H/L and 55.4k Ohm on each of the modules CAN H/L lines (at the 24 pin connector)
I'm very confused, there is less than 0.5 ohms of resistance from either side of the termination resistor to the VD230 chip, but somehow across the 120 ohm resistor is 14700 ohms...