REFU Elektronik GmbH REFUsol 40K / 46K-MV 49
Error
Code
Text Description Action
consider the line voltages to be in
order, contact the Service.
9001B RCD fault The AFI-Board unit has detected a
residual current.
Leads to an immediately shutdown
Check system isolation. As long as
you consider the isolation
impedance to be in order, contact
Service.
9001D RCD warning
90020 Initialisation C1 Initialisation has failed.
Restart inverter. If this does not
rectify the error, contact Service.
90021 Initialisation C0
90024 SR parameter
error
Error in parameter initialisation. The
device has been permanently shut
down.
Please contact Service.
90029 Update fault Update failed The update has failed. Contact
Service.
9002A Keep Alive Internal communication monitoring
has determined a fault.
Please contact Service.
9002B Update End Update successful notification. An update was successfully
completed. The device will resume
normal operation.
9002C AntiIslandPhase
Shift
Islanding of the connected grid
section has been detected
Wait for the grid to become stable
again
9002D AntiIslandRocof
9002F FFS is read-only Internal data can't be written
anymore.
Please contact Service.
90030 DC share too
high
The measured DC-Part in AC current
exceed the defined limit.
90031 ETH link lost The Ethernet cable has been
removed
Check the Ethernet cable on the
device and the receiver (router,
switch) for a correct fit. If the
cables are correctly connected and
should the notification still be
there, please contact Service.
90032 Restart The system has been rebooted. Should these notifications occur
repeatedly during daily operation,
please contact Service.
90050 AC condition AC switch on condition not fulfilled Wait until the network is stable
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