Troubleshooting - Epever XTRA N Series User Manual

★When the internal temperature is 81℃, the reduce charging power mode which
reduce the charging power of 5%,10%,20%,40% every increase 1 ℃ is turned on. If
the internal temperature is greater than 85℃, the controller will stop charging. When
the temperature declines to be below 75 º C, the controller will resume.
For example XTRA4215N 24V system:

5.2 Troubleshooting

Possible reasons
PV array
disconnection
Battery voltage
is lower than
8V
Battery over
voltage
Battery over
discharged
Faults
Charging LED indicator off during
daytime when sunshine falls on PV
modules properly
Wire connection is correct, the
controller is not working.
XDB1：Charging indicator
Green fast flashing
XDS1：
Battery level shows
full, battery frame
blink, fault icon blink
XDS2：Charging indicator
Green fast flashing
Battery level shows
full, battery frame
blink, fault icon blink
XDB1：Battery indicator
Red on solid
Confirm that PV wire connections
are correct and tight
Please check the voltage of
battery. At least 8V voltage to
activate the controller.
Check if battery voltage is
higher than OVD(over voltage
disconnect voltage), and
disconnect the PV.
When the battery voltage is
restored to or above LVR(low
voltage reconnect voltage), the
load will recover
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Troubleshooting