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Growatt spf 5000 es

GLYN

New Member
Joined
Jun 27, 2022
Messages
6
Hello everyone.
Please could someone help.
I have just installed a growatt Spf5000es, & I'm having trouble with bms communication.
I have a seplos 48v 200ah 16s.
It's the newer version,That has Bluetooth capability.
I connected an Ethernet cable to the Inverters bms port, & can port on the bms.
I have programmed the Inverter to Li, and protocol 51 in section 36. And it's not working, it's showing fault code 20,no communication.
Do I need to change anything in the bms??
You help would be very much appreciated!!
Best regards.
Glyn.
 
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