5 led signals, Led signals – SMA SMC 9000TL User Manual
Page 18

5 LED Signals
SMA Solar Technology AG
18
SMC9-11TLRP-BA-en-30
User Manual
5 LED Signals
Designation
Status
Cause and corrective measures
All LEDs
glowing
The inverter is initialising.
flashing
The start-up phase is beginning.
If the DC voltage is very low in the start-up phase, all three
LEDs go out and the start-up phase recommences. If
irradiation is very low, all three LEDs flash. This flashing
indicates a normal operating state. It does not mean that
a fault has occurred.
off
The ESS is not plugged in or the irradiation level is zero.
• Plug in the ESS securely.
Green LED
glowing
Indicates the operating state of the inverter. The specific
status message is shown in the display.
flashing
The DC input voltage is still too low. Once the DC input
voltage is sufficiently high, the inverter goes into
operation.
Red LED
glowing
Earth fault
The specific error or fault message is shown in the display.
• Contact your installer.
flashing
Varistor or string fuse defective
The specific error or fault message is shown in the display.
• Contact your installer.
Yellow LED
glowing
Probably a fault or warning has been issued.
The specific error or fault message is shown in the display.
• Contact your installer.
flashing
Probably a fault or warning has been issued.
The specific error or fault message is shown in the display.
• Contact your installer.