Emerson 00809-0100-4444 Automobile Parts User Manual


 
161
Reference Manual
00809-0100-4444, Rev AC
Section 9: Troubleshooting
January 2015
Tro ubles hooting
9.4.6 Troubleshooting the SMART Meter Verification test
In the event that the SMART Meter Verification test fails, use the following table to determine
the appropriate course of action. Begin by reviewing the SMART Meter Verification results to
determine the specific test that failed.
Table 9-6. Troubleshooting the Smart Meter Verification Diagnostic
Test Potential cause Corrective action
Transmitter Verification Test
• Unstable flow reading during the test
•Noise in the process
• Transmitter drift
•Faulty electronics
• Rerun Smart Meter Verification (8714i) under No Flow
conditions
• Check the transmitter calibration with the 8714D
Calibration Standard
• Perform a digital trim
• Replace the electronics stack
Sensor Calibration Verification
• Moisture in the sensor terminal block
• Calibration shift caused by heat
cycling or vibration
• Rerun Smart Meter Verification (8714i)
• Perform the sensor checks detailed in step 3 of the
Quick Troubleshooting guide on page 100
• Remove the sensor and send back for evaluation and / or
recalibration
Coil Circuit Health
• Moisture in the sensor terminal block
•Shorted Coil
Electrode Circuit Health
• Electrode resistance baseline was not
taken after installation
• Test condition was not selected
properly
• Moisture in the sensor terminal block
•Coated electrodes
• Shorted electrodes