SMA SSM-U-1615 - Manual (Page 20)

4.7 LEDs on the Electronic Assembly
L‒ L+
LK/ACT
SPEED
LK/ACT
SPEED
UPD
ERR
AL
PWR
COM
A
B
C
D
E
Figure 7: LEDs on the electronic assembly
Position Designation Color Explanation
A UPD yellow Update status of the SMA String-Moni-
tor
ERR red Error in the SMA String-Monitor
AL green Firmware status of the SMA String-
Monitor
PWR green Voltage supply status of the
SMA String-Monitor
COM yellow Communication status of the
SMA String-Monitor
B LK/ACT green Status/activity of the network connec-
tion at the communication output
C SPEED yellow Speed of the network connection at
the communication output
D LK/ACT green Status/activity of the network connec-
tion at the communication input
E SPEED yellow Speed of the network connection at
the communication input
A description of the LED states will by given in (see Section 9.1, page 49).
4 Product Overview SMA Solar Technology AG
Operating Manual SSMUXX15-BE-en-10 20