SOFAR 25~50KTLX-G3 User manual
Copyright © Shenzhen SOFARSOLAR Co., Ltd.
Figure 6-1 Remove communication broad cover
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 flash diskinto the USB port of inverter.
Step 5
:
Then turn on DC switch, screen show
“
recoverable fault
”
(as AC circuit
breaker still open, inverter cannot detect grid power, so it may show
“
recoverable
fault
”
)
Step 6
:
Long press
“
DOWN
”
button to enter the menu, then short press
“
DOWN
”
button to find "5. SoftwareUpdate
”
in the LCD display, long
press
“
DOWN
”
button to enter input password interface.
Step 7
:
Input the password, if password is correct, and then begin the update
process.
Step 8
:
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 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 enter the running state. User