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www.uniteck.fr
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TROUBLESHOOTING, CAUSES, REMEDIES
Error message
Causes
Solution
No light switch on
The solar charge controller
needs the battery voltage to
be higher than 6V to be able
to start when connecting the
battery
Check the battery voltage,
recharge it if necessary.
Battery polarity reversal
Check fuse battery
Battery connection problem
(cables, terminals...)
Check connections
Defective battery
Replace your battery,
following the disconnection
and connection order (refer
to the installation and
connection part)
Panel light off while sun
is present
Solar panel disconnected, not
properly connected, or short
circuit
Check connections (polarity
and connection)
Normal functionning: The
panel voltage is lower than
the battery voltage or too low
sunshine.
The panel gets its charge
back as soon as the panel
voltage is higher than the
battery voltage.
One or several cells of your
panel are hidden.
Check the cleanliness of your
solar panel and make sure
none of the cells are hidden.
Green +
Flash
Blinking panel light
(green)
Battery overvoltage or
undervoltage
Disconnect the solar panel,
then make sure the battery is
not in a overvoltage state or
that the voltage of your
battery coupling does not
exceed the voltage accepted
by the solar charge controller
(12V/24V)
Orange
Voyant charge orange
Battery discharged
Usual charge, light goes
green as soon as the battery
is charged.
