5 maintenance under voltage conditions, 1 reading off the replacement interval meter, 2 reading off error messages and warnings – SMA SC 500CP-10-JP Maintenance Manual User Manual
Page 14: 3 checking the dc load-break switch
5 Maintenance under Voltage Conditions
SMA Solar Technology AG
14
SCCP-JP-WA-A4-en-12
Maintenance Manual
5 Maintenance under Voltage Conditions
5.1 Reading off the Replacement Interval Meter
1. Log into the user interface.
2. Enter the password in the appropriate field on the homepage and confirm with [Login].
3. Select Data > Device.
4. Select
.
☑ A list of all existing device types appears.
5. Select the device type Sunny Central.
☑ A list appears containing all existing devices of this type.
6. Select the desired device from the list.
7. Select the tab Instantaneous values.
8. Check the following meters and compare them with the replacement intervals (see Section 4, page 13):
– Number of GFDI trippings in the instantaneous value CntGfdiTripSw. If replacement of the GFDI is necessary,
the error message 7714 will appear on the display.
– Number of switching cycles of the Remote Switch Unit of the GFDI in the instantaneous value CntGfdiSw
9. If the corresponding instantaneous value is equal to or greater than the replacement interval of the device, replace
the device. Contact the SMA Service Line.
5.2 Reading off Error Messages and Warnings
You can connect a computer via the service interface on the outside of the interface cabinet.
If an error occurs, read off and resolve the error using the display or the user interface on the inverter (see Sunny Central
operating manual).
5.3 Checking the DC Load-Break Switch
'$1*(5
Danger to life from electric shock due to live voltage
High voltages are present in the live components of the Sunny Central. Touching live components results in death or
serious injury due to electric shock.
• When working in a high contact-risk environment, wear personal protective equipment.
• All work must be carried out in accordance with this document. Observe all safety precautions. Observe all safety
precautions included in this document and the inverter installation manual.
• Do not touch any live components of the inverter or the medium-voltage grid. Comply with all applicable safety
regulations for handling medium-voltage grids.