R5
Series
- 52 -
Fault Information
Troubleshooting
Over Bus Voltage
Check the settings of the solar panel. SAJ designer can help
you. If the above mentioned are in normal, please contact
your distributor or call SAJ technical support.
PV
Overcurrent
If this error always exists, please contact your distributor or
call SAJ technical support.
PV Voltage Fault
Check the settings of the solar panel. SAJ designer can help
you. If the above mentioned are in normal, please contact
your distributor or call SAJ 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 SAJ technical
support.
Null line-to-earth
voltage fault
Check if connection of the AC output grounding terminal is
stable and reliable. If the content mentioned as above is
normal, please contact your distributor or call SAJ technical
support.
Table 7.2 Troubleshooting
Chapter 8 Routine Maintenance
Inverter Cleaning
Clean the enclosure lid and LED indicator of the inverter with
moistened cloth with clear water only. Do not use any cleaning
agents as it may damage the components.
Heat Sink Cleaning
Clean the heat sink with dry cloth or air blower, Do Not clean the heat
sink with water or cleaning agents. Make sure there is enough space
for ventilation of inverter.
