PV Powered 2500 Instalační příručka stáhnout pdf (Strana 31)

SMA Solar Technology AG Commissioning the Sunny Boy

Installation Guide SB25_30-IEN092520 31

PV overvoltage

(Yellow LED flashes 4 times quickly in succession)

1. Check DC voltage!

2. If the message occurs again, disconnect the Sunny Boy again and contact the Serviceline of

SMA Solar Technology (see section 13 "Contact" (page47)).

NOTICE!

Excessive DC input voltage can destroy the Sunny Boy!

Immediately disconnect the Sunny Boy from the grid!

1. Turn off the line circuit breaker.

2. Remove the Electronic Solar Switch.

3. Disconnect the DC plug connectors.

Result Measure

☑ The DC voltage is higher than the

maximum input voltage.

• Contact the planner / installer of the PV

generator.

☑ The DC voltage is lower than the

maximum input voltage.

• Reconnect the Sunny Boy to the PV

generator as described in section

5.5 "Connecting the PV Generator

(DC)" (page23).

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PV Powered 2500 Instalační příručka Strana 31