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106 Model 2700 Transmitter with PROFIBUS-PA
Troubleshooting
6.12.5 Low pickoff voltage
The causes and possible solutions of low pickoff voltage are listed in Table 6-9.
Table 6-9 Low pickoff voltage causes and solutions
Cause Solution
Faulty wiring runs between the sensor and core
processor
Refer to the sensor manual and transmitter installation
manual.
Process flow rate beyond the limits of the sensor Verify that the process flow rate is not out of range of
the sensor
Slug flow Verify the flow tubes are completely filled with process
fluid, and that slug flow limits and duration are properly
configured. See Section 4.12.
No tube vibration in sensor Check for plugging.
Ensure sensor is free to vibrate (no mechanical
binding).
Verify wiring.
Test coils at sensor. See Section 6.14.
Process beyond the limits of the sensor Verify that the process flow rate is not out of range of
the sensor.
Moisture in the sensor electronics Eliminate the moisture in the sensor electronics.
The sensor is damaged Contact Micro Motion Customer Service.