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Troubleshooting SMA Solar Technology AG

52 SB25_30-IA-IEN115050 Installation Manual

9 Troubleshooting

If the inverter displays other blink codes or error messages than those described below, contact the

SMA Service Line.

You will also find a description of display messages during operation, status messages and

measurement channels in the user manual provided.

Do not perform any repairs that are not described here and take advantage of the 24-hour

replacement service (inverter ready for shipping and handed over to a freight-forwarding company

within 24 hours) and the SMA Solar Technology AG repair service instead.

9.1 Blink Codes

Green Red Yellow Status

Flashing Flashing Flashing OK (startup phase)

Is permanently lit Is not lit Is not lit OK (feed-in operation)

Is permanently lit Is not lit Earth fault or varistor defective

Is permanently lit OK (initialisation)

Flashing quickly

(3 x per second)

Is not lit Is not lit OK (stop)

Is permanently lit Is not lit Earth fault or varistor defective

Flashing slowly

(1 x per second)

Is not lit Is not lit OK

(waiting, mains monitoring)

Is permanently lit Is not lit Earth fault or varistor defective

Goes out briefly

(approx. 1 x per second)

Is not lit Is not lit OK (derating)

Is permanently lit Is not lit Earth fault or varistor defective

Is not lit Is not lit Is not lit At night: OK

(overnight shutdown)

During the day:

Electronic Solar Switch is not

attached

Is lit/flashing Fault

Is permanently lit Is not lit Earth fault or varistor defective

Is lit/flashing Earth fault or varistor defective

and fault

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PV Powered 3000 Installation Manual Page 52