
71
Rosemount 8600 Vortex Flow Meter
Reference Manual
May 2019
Troubleshooting
00809-0100-4860, Rev BF
A. Vortex signal (TP1)
B. Trigger level
C. Shedding frequency output
A. Trigger level
B. Vortex signal (TP1)
C. Shedding frequency output
5.4
Diagnostic messages on LCD
In addition to the output, the LCD indicator displays diagnostic messages for troubleshoot
-
ing the flowmeter. These messages are as follows:
SELFTEST
The flowmeter is in the process of performing an electronics self test.
FAULT_ROM
The flowmeter electronics has undergone a EPROM checksum fault. Contact your Field
Service Center.
Figure 5
-
4. Noisy Signals
Figure 5
-
5. Improper Sizing/Filtering
A
B
C
0
3.0 V
0
C
0
3.0 V
0
B
A