Victron energy Blue Power MPPT 150/35 Manuel page 10

On all models with software version V 1.12 or higher a binary
LED code helps determining the position of the rotary switch.
After changing the position of the rotary switch, the LEDs will
blink during 4 seconds as follows:
Switch LED
position Bulk
0
1
2
3
4
5
6
7
Thereafter, normal indication resumes, as described below.
Remark: the blink function is enabled only when PV power is
present on the input of the controller.
3.6 LEDs
LED indication:
 permanent on
 blinking
 off
Regular operation
Bulk (*1)
Absorption
Automatic equalisation (*2)
Float
Note (*1): The bulk LED will blink briefly every 3 seconds when
the system is powered but there is insufficient power to start
charging.
Note (*2): Automatic equalisation is introduced in firmware v1.16
Fault situations
Charger temperature too high
Charger over-current
Charger over-voltage
Internal error (*3)
Note (*3): E.g. calibration and/or settings data lost, current sensor
issue.
3.7 Battery charging information
8
LED
Abs
1 1
0 0
0 1
0 1
1 0
1 0
1 1
1 1
LEDs Bulk
LEDs Bulk
LED
Float frequency
1
1
0
1
0
1
0
1
Absorption
 
 
 
 
Absorption
 
 
 
 
Blink
Fast
Slow
Slow
Slow
Slow
Slow
Slow
Slow
Float




Float



