MANUALE
D’USO
SUNWAY
TM
SI
101/156
Fault Information
Troubleshooting
ISO Error
cathode side of the solar panel; check whether the
inverter is in wet environment; check whether the
grounding of the inverter is loose or not. If the above
mentioned are in normal, please contact your distributor
or call ENERTRONICA SANTERNO technical support.
Overcurrent
Check the connection status between the inverter and
the grid and test whether the volt. of the grid is stable or
not, if the above mentioned are in normal, please
contact your distributor or call ENERTRONICA
SANTERNO technical support.
Over Bus Voltage
Check the settings of the solar panel. ENERTRONICA
SANTERNO designer can help you. If the above
mentioned are in normal, please contact your distributor
or call ENERTRONICA SANTERNO technical support.
PV
Overcurrent
If this error exists always, please contact your
distributor or call ENERTRONICA SANTERNO
technical support.
PV Voltage Fault
Check the settings of the solar panel. ENERTRONICA
SANTERNO designer can help you. If the above
mentioned are in normal, please contact your distributor
or call ENERTRONICA SANTERNO technical support.
Lost
Communication
Check the connection of communication cables
between control board and display board. If the above
mentioned are in normal, please contact your distributor
or call ENERTRONICA SANTERNO technical support.
Null line-to-earth
voltage fault
Check if connection of the AC output grounding
terminal is stable and reliable. If the condition as above
is normal, please contact your distributor or call
ENERTRONICA SANTERNO technical support.
Table 7.2 Troubleshooting