Maintenance - Epever MPPT User Manual

when sunshine falls
on PV array
properly
Wire connection is
correct; the
controller is not
working.
Charging indicator
Green fast flashing
The battery
indicator is in red
on solid
Battery indicator
flashes red slowly
Fault indicator on
solid, PV and
battery Indicators
flash orange fast
Fault indicator on
solid, load off.
Fault indicator on
solid, load off.
① If the load current exceeds 1.05 times the controller's rating current, the controller will cut off the
output after 30 seconds delay. In case of overload, the controller is restarted at intervals of 5 seconds, 10
seconds, 15 seconds, 20 seconds, 25 seconds, 30 seconds and 1 hour until the power of all the loads is
reduced to the rated power.

4.3 Maintenance

The following inspections and maintenance tasks are recommended at least two
times per year for the best performance.
Battery voltage is
lower than 8V
Battery over
voltage
Battery over
discharged
Battery over
heating
Controller over
heating
System voltage
error
Over load
Load short circuit
Please check the voltage of the
battery(at least 8V voltage to activate
the controller).
Check whether the battery voltage is
higher than OVD (over voltage
disconnect voltage), and disconnect
the PV array connection.
① Automatically restore load output
after the battery is fully charged.
② Other ways recharge the battery.
While the temperature decline to be
below 55 º C, the controller will
resume.
When the heat sink of the controller
exceeds 85℃, the controller will
automatically cut off the input and
output circuit. When the temperature
below 75℃, the controller will
resume work.
① Check whether the current battery
voltage matches the system voltage
set by the controller.
② Please change a suitable battery
or reset the system voltage.
① Please reduce the number of
electric equipment.
② Restart the controller or press the
button to clear faults.
① Check carefully loads connection,
clear the fault, ②Restart the
controller, or press the button to
clear faults.
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