SOFAR 7.5KTLM User manual
Copyright © Shenzhen SOFARSOLAR Co., Ltd
The grid current is
too high, and has
cause unrecoverable
hardware fault
ID65-ID70 are internal faults of inverter,
turn OFF the “DC switch”, wait for 5 minutes,
then turn ON the “DC switch”. Check whether
the fault is rectified. If no, please contact
technical support.
The bus voltage is
too high, and has
cause unrecoverable
fault
The grid current is
unbalance, and has
cause unrecoverable
fault
The input current is
unbalance, and has
cause unrecoverable
fault
The bus voltage is
unbalance, and has
cause unrecoverable
fault
The grid current is
too high, and has
cause unrecoverable
fault
UnrecoverPv
ConfigSetWrong
Check the input mode(parallel mode/
independent mode) setting of inverter according
to Section 6.3 (C) 6.Input Mode of this user
manual, If it’s incorrect, change it according to
Section 6.3 (A) 10.Set Input mode of this manual
The input current is
too high, and has
cause unrecoverable
fault
ID74-ID77 are internal faults of inverter,
turn OFF the “DC switch”, wait for 5 minutes,
then turn ON the “DC switch”. Check whether
the fault is rectified. If no, please contact
technical support.
The EEPROM is
unrecoverable
The EEPROM is
unrecoverable
Relay has happen
permanent fault
The inverter has
derated because of
the temperature is
too high
Ensure the installation position and
installation method meet the requirements of
Section 3.4 of this user manual. Check whether
the ambient temperature of the installation
position exceeds the upper limit. If yes, improve
ventilation to decrease the temperature.
The inverter has
derated because of
the grid frequency is
too high
Inverter automatically reduce the output
power when the frequency of electrical grid is
too high.Please make sure the grid frequency is
within the acceptable range.
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