10 Daily Maintenance
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10 Daily Maintenance
DANGER
Risk of inverter damage or personal injury due to incorrect service!
Always keep in mind that the inverter is powered by dual sources: PV
array and utility grid.
Before any service work, observe the following procedure.
1) Disconnect the inverter from the utility grid side first and then PV
array;
2) Wait at least 5 minutes after shun down the inverter, for inner
capacitors to discharge completely;
3) Verify that no voltage and current existing with appropriate
testing devices.
CAUTION
Keep non-related persons away!
A temporary warning sign or barrier must be posted to keep
non-related persons away while performing electrical connection
and service work.
NOTICE
Risk of inverter damage if it is improperly serviced.
Use accessories and spare parts approved by the inverter
manufacturer only. Never modify the inverter or other components
of the inverter. The loss of any or all warranty rights may follow if
otherwise.
NOTICE
Any malfunction that may impair the inverter safety operation must
be repaired immediately before the inverter is restarted.
Inverter contains no customer serviceable parts inside. Please
contact local authorized personnel if any service work is required.
Information
Servicing of the device in accordance with the manual should never
be undertaken in the absence of proper tools, test equipments or
the more recent revision of the manual with has been clearly and
thoroughly understood.
Items
Methods
Period
System
clean
Check the temperature and dust of the inverter. Clean
the inverter enclosure.
Check the humidity and dust of the environment.
Meanwhile check whether the filter function of the air
inlet is ok.
Six months to a
year (it depends
on the dust
contents in air.)
