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12 troubleshooting, Troubleshooting – SMA WB 3600TL User Manual

Page 77

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SMA Solar Technology AG

Troubleshooting

Installation Guide

WB36TL_50TL-IEN102011

77

12 Troubleshooting

12.1 Checking the Small Wind Turbine System for a Ground Fault

If the inverter displays event numbers "35", "36" or "37", there is a high probability of a ground fault
in the system.
Check the small wind turbine system for ground connection as described below:

1. Remove the Electronic Solar Switch.

2. Wait until LEDs, display and if applicable the fault indicator have gone off.

DANGER!
Danger to life due to high voltages in the inverter.

• Stop the small wind turbine system and secure against restart.
• Disconnect the line circuit breaker and secure against re-connection.
• Disconnect the multi-function relay, if available.

DANGER!
Danger to life due to high voltages in the inverter.

The capacitors in the inverter require 5 minutes to discharge.

• Wait 5 minutes before opening the inverter.

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