SOFAR 7.5KTLM User manual
Copyright © Shenzhen SOFARSOLAR Co., Ltd
The insulation
resistance is too low
Check the insulation resistance between the
PV array and earth(ground), if a short circuit
occurs, rectify the fault.
The inverter temp 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 Boost temp is
too high
The environment
temp is too high
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