Rosemount 3051N
Reference Manual
Table
Symptom | Corrective Actions |
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Milliamp Reading Is Zero | • | Check if power polarity is reversed. |
| • Verify voltage across terminals (should be 10 to 55 V dc). | |
| • Check for bad diode in terminal block. | |
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Transmitter Not Communicating with | • | Check power supply voltage at transmitter (minimum 10.5 V). |
HART Communicator | • Verify calibration settings (4 and 20 mA points) | |
| ||
| • Check load resistance (250 Ω minimum). | |
| • Check if unit is addressed properly. | |
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Milliamp Reading Is Low or High | • | Check pressure variable reading for saturation. |
| • Check if output in alarm condition. | |
| • Verify 4 and 20 mA range points. | |
| • Perform | |
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No Response to Changes in | • | Check test equipment. |
Applied Pressure | • Check impulse piping for blockage. | |
| ||
| • Check disabled span adjustment. | |
| • Check if output in alarm condition. | |
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|
Pressure Variable Reading Is | • | Check impulse piping for blockage. |
Low or High | • | Check test equipment. |
| ||
| • Perform full sensor trim. | |
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Pressure Variable Reading Is Erratic | • | Check impulse piping for blockage. |
| • | Check damping. |
| • Check for EMF interference. |
The Rosemount 3051N is supplied by Rosemount Nuclear Instruments, Inc. as a
Returning Rosemount Products and Materials
Authorization for return is required from Rosemount Nuclear Instruments Inc. prior to shipment. Contact Rosemount Nuclear Instruments, Inc. at (952)
Materials returned for repair should be shipped (prepaid) to:
Rosemount Nuclear Instruments, Inc.
8200 Market Blvd
Chanhassen, MN 55317
USA