4. Device installation | 4.3 - Hardware construction | 75
4.3.9.1 LEDs
Identif. Description
NS Network status LED
MS Module status LED
Network status (NS)
LED status Description Comments
Off Module is offline. No power
Constant green Module is online. There are one or more con
nections.
1Hz flashing green Module is online. No connections
Constant red Critical connection error
1Hz flashing red Connection time limit For one or more connections
Flashing red/green in alterna
tion
Self-test running.