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info Upgraded
Status 1 Green Blink
LED indicator showing 1 green blink — battery is more than 0.75V below Absorption Voltage setting for 12V systems (or >1.5V below for 24V systems).
? What Causes This
Battery is in early Bulk charging stage and is significantly below target absorption voltage.
ⓘ What This Means
This is normal operation during bulk charging. The charging process will continue automatically until the battery reaches absorption voltage. Monitor charging progress via LCD display.
Source: page 34 of the official manual
From the manual
This error code appears in:
Upgraded 30A Solar Charge Controller