Troubleshooting SMA Solar Technology AG
62 SB33_38-IEN111851 Installation Guide
3. Insert an insertion tool into the openings of the
terminal contacts (1).
☑ The terminal clamps will loosen.
If you do not receive an insertion tool for operating
the terminal clamps with your replacement
varistors, contact SMA Solar Technology AG.
As an alternative, the individual terminal contacts
can be operated using a 3.5 mm wide screwdriver.
4. Remove varistor (2).
5. Insert new varistor (3).
The pole with the small loop (crimp) must be fitted
to terminal 1 when replacing the varistor.
6. Close the inverter as described in section
7.3”Closing the Inverter” (page45).
☑ The check and replacement of the varistors is
completed.
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