REFUSOL 20K-2T, Руководство по эксплуатации

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Error Messages and Troubleshooting 54
Main Menu (v2.6)
REFUsol 20K...33K-2T
982079 | 05 | 2021-03
ID07-
ID08
– (Reserved) –
ID10 IpvUnbal -
ance
DC current is dis -
tributed asymmet -
rically to the MPPT
inputs.
Check that the PV strings are correctly assigned and connected at both MPPT inputs.
The maximum DC currents should be almost symmetrical at both inputs.
ID11 PvConfigSet -
Wrong
Wrong input
mode.
Check if the MPPT mode (Parallel or Independent) is set correctly according to the PV
system configuration, change if necessary.
ID12 GFCIFault GFCI error If the insulation fault occurs frequently and lasts for a long time, the insulation resist -
ance of the PV system must be checked; possible causes of the fault could be defec -
tive PV cables or MC4 connections.
ID13 GridFault AC mains error If this error occurs frequently, check the measured values of the AC network (fre -
quency, voltage, current) on the display.
ID14 HwBoos -
tOCP
The DC current is
too high, the hard -
ware protection is
active.
Check that the DC current is within the maximum limits and check the connection to
the MPPT inputs. If no troubleshooting is possible, contact REFU Service.
Tab. 8: Event list with error and information messages
ID Event name Event description Measure