Emerson Rosemount 3152 - Page 76

Rosemount 3150 Series
Reference Manual
00809-0100-4835 Rev BE
February 2018
67
Maintenance & Troubleshooting
SYMPTOM
POTENTIAL
SOURCE
CORRECTIVE ACTION
Low Output
or No Output
Test Diode
Failures
Replace terminal block.
Transmitter
Electronics Failure
Determine faulty circuit board by trying spare electronics
assembly or terminal block assembly. Replace faulty assembly.
Sensor Module
NOTE: See Sensor Module Checkout section. The sensing
element is not field repairable and must be replaced if found to
be defective. See Disassembly Procedure for instructions on
disassembly. Check for obvious defects (i.e. punctured isolating
diaphragm, etc.) and contact Rosemount Nuclear.
Power Supply
Check the power supply output voltage at the transmitter.
Erratic
Output
Impulse Piping
and Process
Connections
Check for entrapped gas in liquid lines, or liquid in dry lines.
Transmitter
Electronics
• Check for intermittent shorts or open circuits.
• Make sure the pins on the jumper, the pins on the filters, and
the pins on the sensor module are clean
Transmitter
Electronic Failure
Determine faulty circuit board by trying spare electronics
assembly or terminal block assembly. Replace faulty assembly.
Power Supply
Check power supply output voltage.