75-136KTL
User manual
Copyright © Shenzhen SOFARSOLAR Co., Ltd
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current system time.
(C) Software Update
User can update software by USB flash drive , SOFARSOLAR will provide the new
update software called firmware for userif it is necessary,The user needs to copy the
upgrade file to the USB flash drive.
7.4. Updating Inverter Software
SOFAR 75~136KTL inverter offer software upgrade via USB flash drive to
maximizeinverter performance and avoid inverter operation error caused by
software bugs.
Step 1
:
Turn off AC circuit breaker and DC switch, remove the communication
board cover as below figure. If the RS485 line has been connected, please release
the waterproof nut first and make sure the communication line is no longer the force.
Then remove the waterproof cover.
Figure 7-1Remove 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 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.