HYD 3K~6K-EP User manual
Copyright © Shenzhen SOFARSOLAR Co., Ltd。
there is no direct sunlight.
Please ensure that the inverter is installed in
a cool/well ventilated place.
Ensure the inverter is installed vertically
and the ambient temperature is below the
inverter temperature limit.
Please make sure the grid frequency and
voltage is within the acceptable range.
Battery low voltage
protection
Please check whether the battery voltage of
the inverter is too low.
Battery low voltage
shutdown
Output hardware
overcurrent permanent
failure
Internal faults of inverter, switch OFF
inverter, wait for 5 minutes, then switch ON
inverter. Check whether the problem is
solved.
If no, please contact technical support.
Permanent Bus
overvoltage failure
Permanent Bus
hardware overvoltage
failure
PV uneven flow
permanent failure
Permanent battery
overcurrent failure in
EPS mode
Output transient
overcurrent permanent
failure
Permanent failure of
unbalanced output
current
Input mode setting error
permanent failure
Check the PV input mode
(parallel/independent mode) Settings for the
inverter. If not, change the PV input mode.
Input overcurrent
permanent fault
Input hardware
overcurrent permanent
failure
Internal faults of inverter, switch OFF
inverter, wait for 5 minutes, then switch ON
inverter. Check whether the problem is
solved.
If no, please contact technical support.
Bus voltage unbalanced
permanent failure
Check the USB port of the inverter
Check the Wifi port of the inverter
Check the bluetooth connection of the
inverter
Internal faults of inverter, switch OFF
inverter, wait for 5 minutes, then switch ON