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Error message
No LCD display
24
Causes
Screen is off for Energy saving.
The solar charge controller needs the
battery voltage to be higher than 9V to be
able to start when connecting the battery
Battery polarity reversal
Battery connection problem (cables,
terminals...)
Defective battery
Battery overvoltage
Battery discharged
Battery overheating
Output short circuit
www.uniteck.fr
Solution
Press any key
Check the battery voltage,
recharge it if necessary.
Check connections
Replace your battery,
following the
disconnection and
connection order (see
installation and
connection)
Disconnect the solar
panel, then make sure the
battery is not in
overvoltage or that the
voltage of your battery
coupling does not exceed
the voltage accepted by
the solar charge controller
(12V/24V)
Usual charge: light turns
green as soon as the
battery is charged.
Unisolar will automatically
Turn off.
But while the temperature
decline to be below 50 ºC,
unisolar will restart.
Reduce load. (see
controlled output).
Check loads connections.
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