7 Disconnect from voltage sources
SMA Solar Technology AG
Installation ManualPPM-10-IA-en-1658
7 Disconnect from voltage sources
1. Disconnect the supply voltage via an external circuit breaker.
2. Short-circuit secondary circuits of the current transformers using an external short circuit device.
3. Disconnect the measurement inputs via an external circuit breaker.
4. Wait until no more LEDs light up on the buffer module. With this the buffer module is fully discharged.
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