80-136KTL User manual
Copyright © Shenzhen SOFARSOLAR Co., Ltd
Step 2：Insert USB into computer；
Step 3：SOFARSOLAR service team will send the software code to user, After
user receive the file, please decompressing file and cover the original file in USB
flash drive.
Step 4 Insert USB drive into the USB port of inverter；
Step 5 Then turn on DC switch and enter into the online upgrade to the main
menu"5.Software Update"in the LCD display program[6.3(E)].The method to enter
the menu can refer to operation interface of LCD.
Step 6 Input the password,if password is correct,and then begin the update
process,the original password is 0715.
Step 7 System update main DSP, slave DSP and ARM in turns.If main DSP
update success,the LCD will display"Update DSP1 Success", otherwise display
"Update DSP1 Fail";If slave DSP update success,the LCD will display"Update DSP2
Success",otherwise display "UpdateDSP2 Fail".
Step 8 If Fail,please turn off the DC switch, wait for the LCD screen turn off,
then turn on the DC switch again,then Continue to update from step 5.
Step 9 After the update is completed,turn off the DC breaker, wait for the LCD
screen extinguish,then recover the communication waterproof and then turn on
the DC breaker and AC breaker again,the inverter will enters the running state.
User can check the current software version in Systemlnfo>>3.SoftVersion.
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