On all models with sof tware v ersion V 1.12 or higher a binary
LED code helps determining the position of the rotary switch.
Af ter changing the position of the rotary switch, the LED's will
blink during 4 seconds as f ollows:
Switch
LED
position
Float
0
1
2
3
4
5
6
7
Thereaf ter, normal indication resumes, as described below.
Remark: the blink f unction is enabled only when PV power is
present on the input of the controller.
3.6 LED's
LED indication:
is permanent on
is blinking
is of f
Regular operation
Bulk (*1)
Absorption
Automatic equalisation (*2)
Float
Note (*1): The bulk led will blink brief ly ev ery 3 seconds when
the sy stem is powered but there is insuf f icient power to start
charging.
Note (*2): Automatic equalisation is introduced in f irmware v 1.16
Fault situations
Charger temperature too high
Charger over-current
Charger over-voltage
LED
Abs
1
1
0
0
0
1
0
1
1
0
1
0
1
1
1
1
LEDs
Bulk
LEDs
Bulk
LED
Bulk
frequency
1
1
0
1
0
1
0
1
Absorption
Absorption
Blink
fast
slow
slow
slow
slow
slow
slow
slow
Float
Float
7