17
Troubleshooting
English
FAULT POSSIBLE REASONS TROUBLESHOOTING
No output voltage
No solar input or solar input
voltage too low
Check the if the switch for the solar
input was turned on
Fault LED be red
Battery polarity reverse
Check the connection of the battery,
correct the connection if necessary
PV reverse
Check the connection of the PV input,
correct the connection if necessary
Battery over charge
Check if the battery is good, replace
the battery if necessary
Battery not fully charged
Too much load connects to the
battery
Remove the loads
Battery temperature too low Use the battery temperature sensor
Wrong battery type setting
Choose the correct battery type by long
press the button
Battery wire too small
Use the larger gauge wire for the
battery to reduce the voltage drops
Battery not charged
Too much load connects to the
battery
Remove the loads
Battery damaged
Check the battery, replace the battery
if necessary