Seneca K Série Consignes D'installation page 15

Signalling by LED on the front panel
LED
Green Led 1
Green Led 2
Red Led
Meaning
When illuminated, this LED signals the presence of sufficient
voltage for the first input.
The illumination threshold is 19.2 V ± 0.3 V
When illuminated, this LED signals the presence of sufficient
voltage for a second input.
The illumination threshold is 19.2 V ± 0.3 V.
When illuminated, this LED signals erroneous input polarity or
alternating current.
The illumination threshold is 2V.
MI000951-E ENGLISH - 7/8