Instructions

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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.
3.10 LEDs
LED indication:
⚫ permanent on
 blinking
 off
Regular operation
LEDs
Bulk
Absorption
Float
Not charging (*1)



Bulk (*1)
⚫


Absorption (*2)

⚫

Manual equalisation (blink
alternating) (*2)



Automatic equalisation (*2)

⚫
⚫
Float (*2)


⚫
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): The LED(s) might blink every 4 seconds indicating that the charger is receiving
data from another device, this can be:
• A GX Device (eg Color Control with a Multi in ESS mode)
• A VE.Smart network link via Bluetooth (with other MPPT chargers and / or a
BMV or Smart Battery Sense)
Fault situations
LEDs
Bulk
Absorption
Float
Charger temperature too high



Charger over-current



Charger or panel over-voltage



VE.Smart networking or BMS
issue



Internal error (*3)



Note (*3): 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