Instructions for Use
– SCHMIDT
®
Flow Sensor SS 20.600
Page 25
5 Signaling
LEDs
The
SCHMIDT
®
Flow Sensor SS 20.600
has four Duo-LEDs
18
(see Fig-
ure 5-1) which indicate either flow velocity in fault-free operation in a quan-
titative way (bar graph mode) or signals the cause in case of problems
(see Table 5).
Figure 5-1
No.
State
LED 1
LED 2
LED 3
LED 4
1
Ready for operation & flow < 5 %
2
Flow > 5 %
3
Flow > 20 %
4
Flow > 50 %
5
Flow > 80 %
6
Flow > 100 % = overflow
7
Sensor element defective
8
Operating voltage too low
9
Operating voltage too high
10
Electronic temperature too low
11
Electronic temperature too high
12
Medium temperature too low
13
Medium temperature too high
Table 5
LED off
LED on:
orange
LED on:
green
LED flashes
19
: red
18
Component with two integrated LEDs (red and green) that can be controlled individually
and also indicate a mixed color (orange).
19
Approx. 1 Hz
LED 1
