11 SPD Maintenance
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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
