Digital tube displays
"L" with red slowly
flashing
Digital tube displays
"H" with red slowly
flashing
Over load or short
circuit
Too high
temperature of
controller
Notes: No LED indicator.
Measure battery voltage with multimeter.
Min.6V can start up the controller.
Notes: No charging status LED indicator with normal
connection. Measure the input voltage of solar module,
the input voltage must be higher than battery voltage!
Overload: Please reduce
the load and press the
button
controller will resume to
work after 3s;
Short circuit: when the
first short-circuit occurs,
the controller will
automatically resume to
work after 10s; when a
second short-circuit
occurs, press the button,
the controller will
resume to work after 3s.
When heat sink of the
controller exceeds
85 ℃, the controller will
automatically cut input
and output circuit. When
the temperature below
75℃, the controller will
resume to work
19
once,
the