ℹ
info Upgraded
Status Solid Green
LED indicator showing solid green — battery is in Float charging stage.
? What Causes This
Battery has reached full charge and the controller is maintaining it with float charging (low maintenance charging current).
ⓘ What This Means
This is normal operation. The controller will maintain the battery at float voltage to keep it fully charged with minimal heat and gassing.
Source: page 34 of the official manual
From the manual
This error code appears in:
Upgraded 30A Solar Charge Controller