20
Troubleshooting
Point level switch
20
*Option
A0017353
15
Window to observe rotational movement
8
Troubleshooting
Functional testing of the point level switch by testing the internal switch (→ 14, 19)
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 point level switch (optional)
Power supply
Motor
Output signal of
"full" sensor
Internal light
Normal operation
On
Shaft turns
-
On
On
Shaft does not turn,
rotating paddle is
covered
Full
On
Event of fault
On
Shaft does not turn,
rotating paddle is not
covered
Full
Flashes
Off
Full
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