Jntech JNP Series, Руководство пользователя

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The grid power
connection is
loose and falls
off.
the input side of the
grid
9.2 Maintenance
Please check and ensure the inverter is not charged with electr icity before
any maintenance.
A routine examination must be done every half year:
●
Check the inverter for damaged or with deformation.
● Check whether there is abnormal noise when inverter is running.
●
Check whether the parameters and time settings are correc t.
Every half to one year, a routine examination should be done:
Warning
！
Please check and make sure the inverter is not charged with electricity before
any maintain work below.
●
Check humidity and dust of inverter surrounding environment, if have too
much dust, clean the inverter.
●
Check the inverter cable connection is loose , if loose, tightening again
according to the connection method of wire.
●
Check whether the cable is damaged, especially the metal surface contact
surface is cut marks or not.