Growatt 10000UE - How to Replace Control Board and Com Board

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Fig.5.1.11
2. How to replace control board and COM board
Replacing procedure:
1) Before replacement, please register some important information such as total energy E_all the
inverter has already generated to grid.
Fig.5.2.1 E_all information on LCD
2) Disconnect DC breaker and AC breaker to power off the inverter.
3) Remove the cover of RS232 interface with a cross screwdriver.
Fig.5.2.2 RS232 interface
4) Unscrew the two nuts on RS232 port using a 5mm sleeve screwdriver.