SMA MEDIUM VOLTAGE POWER STATION 500SC-JP - Troubleshooting; Safety during Troubleshooting; Troubleshooting in the Medium-Voltage Compartment

9 Troubleshooting
9.1 Safety during Troubleshooting
Danger to life from electric shock due to high voltages on the product
High voltages can be present on the product under fault conditions. Touching live components results in death or
serious injury due to electric shock.
• Observe all safety information when working on the product.
• Wear suitable personal protective equipment for all work on the product.
• If you cannot remedy the disturbance with the help of this document, contact the Service (see Section17
"Contact", page256).
9.2 Troubleshooting in the Medium-Voltage Compartment
Error Cause and corrective measure
Supply voltage is not
present.
If a transformer for internal power supply is present: The transformer for internal power
supply does not supply voltage.
Corrective measures:
• Ensure that the transformer for internal power supply is working (see error "The
transformer for internal power supply does not supply voltage.").
If no transformer for internal power supply is present: External supply voltage is not
present.
Corrective measures:
• Ensure that the external supply voltage is present.
The main breaker has tripped.
Corrective measures:
• Ensure that the main breaker is intact.
9 Troubleshooting
SMA Solar Technology AG
System Manual 115MVPS22JP-SH-en-11