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Troubleshooting
å 17
Window to observe rotational movement
8
Troubleshooting
Functional testing of the point level switch by testing the internal switch (® å 16, ä 21)
8.1
Point level switch with rotation monitoring
The table below shows the output signal of the point level switch with rotation monitoring for
overfill protection.
Rotation monitoring of the FTE20 (optional)
Power supply
On
On
On
Off
If the rotation monitoring system detects an error, a "full" alarm is signaled and the light in the
electronics housing flashes.
Function testing of the point level switch
Operate the internal switch
1. Insert a screwdriver or another suitable tool in the opening provided in the electronics
cover and move it in the direction indicated, see Testing the internal switch
(® å 16, ä 21).
à The switch is operated and the empty/full alarm is reset.
22
Density
high
12
11
low
13
*Option
H1
L1/L+
Test
N/L-
Rotation
Motor
Shaft turns
Shaft does not turn, rotating paddle is
covered
Shaft does not turn, rotating paddle is
not covered
Soliswitch FTE20
Rotation
Output signal of "full" sensor
-
Full
Full
Full
Endress+Hauser
A0017353
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