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www.uniteck.fr
35/59
TROUBLESHOOTING, CAUSES, SOLUTIONS
Error message
Causes
Solution
No light switches on
The solar charge controller
needs the battery voltage to
be higher than 6V in order to
turn on when being
connected to the battery
Check the battery
’s
voltage,
recharge it if necessary.
Battery polarity reversal
Check battery
’s
fuse
Battery connection problem
(cables, terminals...)
Check connections
Defective battery
Replace your battery,
following the disconnection
and connection order (refer
to the installation and
connection passage)
Panel light is off while
the sun is out
Solar panel disconnected, not
properly connected, or short
circuit
Check connections (polarity
and connection)
With a standard charge: The
panel
’s
voltage is lower than
the battery’s
voltage or too
low solar radiation.
The panel will start charging
again as soon as the panel
’s
voltage is higher than the
battery
’s
voltage.
One or several cells of your
panel are covered up.
Check if your solar panel is
clean and make sure none of
the cells are covered.
Orange
Orange charge
indicator
Battery discharged
With a standard charge, the
light turns green as soon as
the battery is charged.
Red
Red continous or
blinking charge
indicator.
Battery deeply discharged.
With a standard charge, the
light turns green as soon as
the battery is charged.
