Hi all!
System description:
Multiplus 12/3000/120-16
Cerbo GX Mk2
3 x Smart Lithium 12V/200Ah
Ve.Bus BMS V2
SmartShunt 300A
Smart Solar 100/30
Smart Solar 75/15
All firmwares updated
Multiplus config. file checked and all OK
System was installed in a campervan last November, since then, it worked perfectly.
Yesterday customer went to a Campsite to charge batteries, because he was at 20% (12.6V). Multiplus showed Bulk Charging, but it only charges at 0.5 Amps.
Customer reseted system (turning off Multiplus by the phisical button and also disconnecting 12V mains)
Nothing changed.
Customer bought another 220V cable and changed spot at the campsite to test if the Schuko was failing, nothing changed.
He then called us at workshop, and we checked everything via VRM & FaceTime.
All 3 batteries (Victron Connect) show “Ready for use”
Both fuses (12V between batteries and multiplus checked)
Batteries temperature over 9ºC, configured to charge over 5ºC
Reseted Ve.BUS multiple times
Turned ON and OFF DVCC, nothing changed
Multiplus shows BMS capability to charge and discharge
Ve.Bus BMS shows both blue lights
Turned On & OFF BMS, nothing changed
Connected a hair dryer when connected to shore, works OK, 7.5A in and 7.8A out (220V)
Connected again without shore, works OK, BUT, voltage OUT goes from 220V to 256V. If then changed from Inverser to Charger Only, shows bulk+absorption+float and then goes to bulk at 0.5A
Shore current set to 3, 6, 10 & 16 Amps, nothing changed
DVCC current limiter set to 60A, nothing changed
DVCC voltage limiter set to 14,2V, nothing changed
So, everything we thinked of is tested and OK, and it always charge at 0.5A.
Shore is 228V and 50.1Hz.
Any ideas what can be happening? We never had an issue like this, and I guess multiplus is fried
Thanks!
Albert.