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IMPORTANT:
This charge controller ships in Lighting Control Mode. To operate a normal load,
you must change the operation mode to Mode 17 to ensure normal operation.
Common Problems and Solutions
Causes and Solutions
Verify connection to batteries is solid.
Temperature may be too low for LCD.
Check ALL solar wiring is correct polarity.
Check that ALL solar connections are solid.
The load will be switched on automatically
after 10 minutes (set by the user).
System overvoltage. Check whether the
battery voltage is too high.
Battery LVD. The Battery is empty.
The load's power exceeds the current rating or
it's short-circuited. After checking for faults,
long press the key or wait until it recovers
automatically.
Check whether wiring is sound and reliable, and
system voltage is correctly recognized.
Symptoms
LCD screen does not light up
LCD screen is garbled or incomplete.
No charging with sunlight present
The battery icon flashes slowly,
and there is no output.
The load icon flashes quickly, and
there is no output.
The load and the encircling light ring
stays lit, and there is no output.
Other issues?
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.
The load does not come online
after the sun has gone down with
The battery icon flashes quickly,
and there is no output.
the load working mode in lighting
Batt. connection absent when solar is pres.
Check that solar voltage exceeds battery volt.
Verify load connections are solid.
