SmartSolar MPPT Manual

9
EN NL FR DE ES SE Appendix
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:
Thereafter, normal indication resumes, as described in the LEDs section.
3.7 LEDs
LED indication:
 permanent on
 blinking
 off
Regular operation
LEDs
Bulk
Absorption
Float
Not charging (*1)



Bulk



Absorption



Automatic equalisation



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.
Fault situations
LEDs
Bulk
Absorption
Float
Charger temperature too high



Charger over-current



Charger or panel over-voltage



Internal error (*2)



Note (*2): E.g. calibration and/or settings data lost, current sensor issue.
Switch
position
LED
Bulk
LED
Abs
LED
Float
Blink
frequency
0
1
1
1
Fast
1
0
0
1
Slow
2
0
1
0
Slow
3
0
1
1
Slow
4
1
0
0
Slow
5
1
0
1
Slow
6
1
1
0
Slow
7
1
1
1
Slow