SOFAR 60-80KTLX-G3 User manual
Copyright © Shenzhen SOFARSOLAR Co., Ltd.
the waterproof nut first and make sure the communication line is no longer the force.
Then remove the waterproof cover.
Figure 7-1 The diagram of removed communication waterproof cover
Step 2：Insert USB into computer；
Step 3 ： SOFARSOLAR service team will send the software code to user. The
upgrade file should be placed in a file named "firmware".
Step 4: Insert USB drive into the USB port of inverter；
Step 5: Then turn on DC switch. Until the screen shows recoverable fault (since the
ac breaker is still off, the machine does not detect the power grid, so recoverable
fault will be displayed)
Step 6: Enter into the online upgrade to the main menu"5.Software Update"in the
LCD display program.
Step 7: Input the password, if password is correct, and then begin the update
process, the original password is 0715.
Step 8: System update main DSP, slave DSP and ARM in turns automatically. If
main DSP update success, the LCD will display"Update DSP1 Success"; If slave
DSP update success, the LCD will display"Update DSP2 Success".When the ARM
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