Victron energy MPPT 150/45-Tr Manuel page 12

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.
3.7 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 or panel over-voltage
Internal error (*3)
Note (*3): E.g. calibration and/or settings data lost, current sensor issue.
10
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



