User manual

Loads are not
supplied
Battery voltage too
high (>15.5 / 31.0 V)
Check if other sources
overcharge the battery. If
not, controller is
damaged.
Battery cables or
battery fuse
damaged, battery
has high resistance
Check battery wires, fuse
and battery.
Loads are not
supplied
Overcurrent of
loads
Switch off all loads.
Remove short-circuit.
Controller will switch on
load automatically after
max 1 minute.
Battery is empty
after a short
time
Battery shows low
capacity
Change battery
Battery is not
being charged
during the day
Solar array faulty or
reverse polarity
Remove faulty connection
/ reverse polarity
Battery reverse
polarity
Battery is
connected with
reverse polarity
(Buzzer on)
Remove reverse polarity
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