REFU REFUsol 50K-3T Bedienungsanleitung Seite 58

Event list with error and information messages
Tab. 8:
ID Event name Event description Measure
ID52 Consist- The comparison of
entFault_G- the insulation
FCI measurement val-
ues (GFCI) be-
tween master DSP
and slave DSP is
not consistent -
failed.
ID53 Spi- SPI communica-
CommLose tion between the
master DSP and
the slave DSP is
faulty.
ID54 Sci- SCI communica-
CommLose tion between the
master DSP and
the slave DSP is
faulty.
ID55 RelayTest- Faulty AC relay
Fail detected.
ID56 PvIsoFault The insulation re-
sistance is too low.
58 Error Messages and Troubleshooting
Main Menu (v2.6)
ID49-ID55 are internal faults of the inverter, switch off the DC switch, wait 5 minutes
and switch on the DC switch again. If no troubleshooting is possible, contact REFU
Service.
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.
REFUsol 50K-3T
982081 | 03 | 2021-03