11 SPD Maintenance
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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)
11 SPD Maintenance
If surge protection device (SPD) is damaged, it is necessary to replace the damaged cores of the SPD in time, as per
FIG. 11-1.
1) Turn off the AC main switch.
2) Turn off the DC switch.
3) Wait for 5 minutes after shun down the inverter.
4) Remove the 4 screws on the inverter cover and open the cover.
5) Press and hold the spring clip on the upper and lower sides of the damaged core and replace it.
Note: If severely damaged, replace the SPD module directly.
Core
Base
FIG. 11-1 Replace the SPD
