ERROR 61.
This error represents an inverter-battery communication breakdown.
If you have compatible lithium ion batteries, check and make sure the Ethernet cable is intact and works properly.
If you have lead acid or gel or any none communicating or incompatible batteries, change settings 5 in your menu to “AGM” (user defined in some brand inverters).
you should be mindful of your floating voltage, LV Cut off and boost charging voltage.
Israel Hauwangah
Vollmond Engineering CC
+264812573152