Error Messages and Troubleshooting
53
Main Menu (v2.6)
REFUsol 50K-3T
982081 | 03 | 2021-03
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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