Remember to check the earth connection on the unit AC input. Step 2: Verify that system is properly wired to your installation and your local codes. This may correct the error, and if it does not, it will provide additional information to assist troubleshooting. There have been various VE.Bus error 11 related improvements in the firmware.
Step 1: Make sure that the units have been updated to the latest firmware version. This issue affects three phase systems only.įor three phase systems (which have the old hardware!) and where all above steps have been checked carefully, contact your Victron dealer for next steps: in this case, all units will need to be replaced with the newer type.Įrror 10 - System time synchronisation problem This will show either as a GND Relay Error or a PE2 Closed Error. Possible cause #5: Three phase systems only: loads mismatch with ground relay safety circuit The most straight forward is to configure every multi as standalone and check whether it can switch to the grid without error. Since unit X can display the error while the root is in unit Y there is no easy way to find out. This is a hardware defect in the inverter/charger, or in at least one of the inverter/chargers in a system consisting of multiple units. Possible cause #4: Faulty ground relay, or its detection circuit
#Htc sync manager error 512 series#
Disconnecting all AC-out wires from each individual unit will not work, as doing so will result in a series of other errors. In case of a multiple units installed in parallel to each other, the AC outputs need to remain connected to each other: only disconnect the loads. This could be either a defect in the wiring or a defect in one of the loads in the system. Possible cause #3: Leakage or short in the loads of the inverters In case bypassing the Neutral is mandatory by local regulations, such as in certain regions in Australia, then select the corresponding “Neutral path externally joined” grid-code in the configuration software. The error will show up the moment the system tries to switch to grid and indicates either a wiring error, or a mismatch between the wiring and the configuration of the gridcode in the inverter/charger. Neutral AC-in is connected to Neutral AC-out while not configured as such in the software. Possible cause #2: Neutral is bypassed intentionally If the neutral-out is connected to GND externally then the unit will always detect that the GND relay fails to open. Possible cause #1: Neutral-out externally tied to GND Note: With this type of hardware it is very well possible that the error is raised by unit X while the cause of the error can be in unit Y. Recovery: auto-restart once the error is gone.Įrror 2 - New and old type MK2 protocol mixed in the system The other units will indicate a VE.Bus error, indicating that they miss one unit. The unit with the overload or temperature alarm, will have the corresponding alarm LED lit continuously. To find out on which unit the error occurs, go to system after it has switched off.
Note for split- and three-phase systems: VRM, nor the GX device, will indicate on which phase the overload or the temperature alarm occured. You will see Overload and Temperature alarms occurring at the same time as VE.Bus Error 1. And check the LEDs on that phase to find out what the reason was for the shut down.įirst make sure that Automatic alarm monitoring is enabled that is necessary to create the Overload and Temperature errors in the log.
#Htc sync manager error 512 code#
Look for the failing phase, which will be the phase that is not showing VE.Bus Error Code 1. When this happens, the other phases will show VE.Bus Error Code 1. Commonly because of a Low battery, Overload or High temperature alarm. One of the phases in a multi-phase system has failed.
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