Replacing The Varistors - SMA 9000TL Installation Manual

10 Troubleshooting

10.9 Replacing the Varistors

Proceed as follows to replace each varistor.
1. Disconnect the inverter from all voltage sources (see section 9).
2. Insert the insertion tool into the clamp contacts of
the connecting terminal plate.
3. Remove the varistor from the connecting terminal
plate.
4. Insert the new varistor into the terminals. For this
purpose, insert the connection wire with loop into
the left-hand terminal.
5. Remove the insertion tool from the contacts of the connecting terminal plate.
6. Commission the inverter (see section 8 "Commissioning", page 51).
76 SMC9-11TLRP-IA-en-51
SMA Solar Technology AG
Installation Manual