SMA Wireless-Set485-01 - Manual (Page 29)

SMA Solar Technology AG Troubleshooting
Installation Guide WirelessSet485-IEN091511 29
9.2 Explanation of the LEDs on the Radio Module
9.3 Explanation of the LEDs on the RS485 Power Injector
LED Status Function
POWER off The radio module is switched
off.
green continuous The radio module is switched
on.
ACTIVITY green continuous no activity
green blinking
receiving data
red blinking sending data
LED Status Function
Power off The RS485 Power Injector is
switched off.
green continuous The RS485 Power Injector is
switched on.
activity off no activity on the RS485
communication bus
yellow continuous activity on the RS485
communication bus