16. Common Problems and Solutions
LCD screen does not light up
Check whether the battery is correctly connected.
Incomplete display or no renewal on LCD screen
Check whether the ambient temperature is too low and whether the
display recovers when the temperature rises.
No charging with sunlight present
Check whether the solar panel is correctly connected and contact
is good and reliable. Check whether the solar panel voltage falls
below the battery voltage.
The sun icon does not light up, while the solar panel icon
does. The battery voltage is normal, but there is no output.
The load will be switched on automatically after 10 minutes (set
by the user).
The battery icon flashes quickly, and there is no output.
System overvoltage. Check whether the battery voltage is too high.
The battery icon flashes slowly, and there is no output.
The battery is over-discharged, and will recover when recharged
adequately.
The load icon flashes quickly, and there is no output.
The load's power exceeds the rated value or it's short-circuited.
After removing the problem, long press the key or wait until it
recovers automatically.
The load and the encircling light ring stays lit, and there is
no output.
Check whether the power-consuming device is connected correctly
and reliably.
Check whether wiring is sound and reliable, and system voltage is
correctly recognized.
The charging and discharging amp-hrs displays: 9999.K Ah
The decimal point flashes indicating that the displayed value has
reached its upper limit. Long press to reset it.
17.Parameter Details
Automatic recognition of 12V/24V
Max. Solar energy input voltage
Max. voltage at the battery end
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