Unit installation

24
…always there
STATUS INDICATORS
LED Indication Normal state
1 (green) STU Status 1 Intermittent flash
2 (red) STU Status 2 Off
Key to LED flash rates:
Slow
About 2
1
/
2
s on, 2
1
/
2
s off.
Fast
About
1
/
3
s on,
1
/
3
s off.
Flutter
About 12 flashes per second.
Intermittent
One or more flashes about
1
/
3
s on and then off for more than 2
1
/
2
s.