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In order to ensure the normal operation of the inverter , dust screen is required to clean regularly.
7.2 Regular maintenance
In order to ensure the normal operation of the inverter, regular maintenance work is required.
Recommended routine maintenance cycle and work, as shown in Table 7-2.
Table 7-2 Routine maintenance work
maintenance item
cycle
Read data from data logger
every month
clean heat sink of the power module
every month
Check the dust, moisture or condensation inside the cabinet
every month
Check the cable connections, and fix the screw if necessary.
every month
Check the warning label, add or replace some if necessary.
every month
Manual checks AC and DC circuit breakers
every month
Check that the emergency stop button, and the LCD stop function
every month
Check if there is abnormal sound when inverter is operating.
every week
All maintenance operations must be carried out in the condition that DC side and AC side of the
inverter, PV module and AC distribution cabinet switch are all disconnected.
Maintenance must be proceeded only after AC and DC disconnected for at least 5 minutes, in
order to avoid electric shock!