Endress+Hauser Liquiphant FTL51B Operating Instructions Manual page 21

Liquiphant FTL51B
Endress+Hauser
In the event of overload or no load, a current peak occurs for 1 minute every 5 seconds.
MAX DIP switch for setting the MAX safety mode →  37
MIN DIP switch for setting the MIN safety mode →  37
RD LED, red, for warning or alarm
YE LED, yellow, switch status
GN LED, green, operational status (device on)
I Load current (switched through)
L
Functional test
→  38
Electrical connection
21