SMA SC 500CP XT - Manual (Page 24)

LED designation Status Explanation
H2 flashing green The SC-COM is communicating with the devices connected within the
system.
glowing green Internal communication has taken place in the last five minutes.
glowing red An error has occurred in the internal communication.
off No internal communication for more than five minutes.
H3 flashing red The SC-COM is starting up.
glowing red An error has occurred in the SC-COM.
glowing green The SC-COM is ready for use.
H4 glowing green An internal memory card exists and less than 92% of its storage ca-
pacity is used.
glowing red The internal memory card is full and the oldest saved data is being
overwritten.
flashing red 92% of the storage capacity of the internal memory card is used.
H5 glowing green An external memory card exists and less than 92% of its storage ca-
pacity is used.
glowing red The external memory card is full.
flashing red 92% of the storage capacity of the external memory card is used.
off There is no external memory card.
H6 - Not assigned
H7 - Not assigned
H8 flashing green Application is running.
3.3.3.2 LEDs on the Network Port
Figure 8: LEDs on the network port
Position LED Color Status Explanation
A Speed yellow on 100 MBit data transfer rate
off 10 MBit data transfer rate
B Link/Activity green on Connection (Link) established.
flashing The SC-COM is transmitting or receiving data (Ac-
tivity).
off No connection established.
3 Product Overview SMA Solar Technology AG
User Manual SCCPXT-BA-E4-en-54 24