52
service
4. If the above reasons have
been excluded and this fault
still occurs in the LCD screen,
contact the installer
10
Low
Temperatu
re Inside
Inverters
Low
Temperature
Inside Inverters
Check if the ambient
temperature is below normal
working temperature of
inverters and increase
ambient temperature
11
High
Temperatu
re Inside
Inverters
High
temperature
inside inverters
1. Check the ventilation of
installation environment
2. Avoid direct sunlight
12
Extern
Flash
Abnormality in
external flash
reading and
writing
Restart the inverter
13
Bus
Unbalance
Bus Unbalance
Restart the inverter
14
Low bus
voltage
Low bus voltage
1. Check if the input voltage is
too low
2. If not, restart the inverter
3. If yes, increase solar panel
quantity in series
15
Over
Frequency
Export reduction
due to over
frequency
Adjust the protection value
limit by user-designing
function as permitted by grid
company
