SMA SMC 4600A Installation - Manual (Page 11)

SMA Solar Technology AG Safety
Installation Manual SMC46-60A11-IA-en-81 11
2.3 Explanation of Symbols
This section gives an explanation of all the symbols found on the inverter and on the type label.
2.3.1 Symbols on the Inverter
Earthing of the PV array
Comply with the local regulations for earthing the modules and the PV array.
In order to maintain the best possible protection for both the PV plant and human life,
SMA Solar Technology AG recommends connecting together the PV array frame and other
electrically conductive surfaces and earthing them.
Symbol Explanation
Operation display
Indicates the operating state of the inverter
Earth fault or varistor defective
Read Section 9.3 "Red LED is Permanently Glowing" (page 63).
Error or fault
Read Section 9 "Troubleshooting" (page 58).
You can operate the display by tapping the enclosure lid.
• Tapping once: the backlight switches on or the display scrolls to the
next display message.
• Tapping twice in quick succession: The inverter shows the display
messages from the start-up phase again (see Section 6.3 "Display
Messages During the Start-up Phase" (page 47)).
DC load disconnection unit Electronic Solar Switch (ESS)
• When the Electronic Solar Switch is plugged in, the DC electric
circuit is closed.
• To interrupt the DC electric circuit and safely disconnect the
inverter when under load, you must first remove the
Electronic Solar Switch and then all DC connectors .
QR Code
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for SMA bonus programme
You will find information on the SMA bonus programme at
www.SMA-Bonus.com.