Emerson Rosemount 396P Quick Start Manual page 46

Quick Start Guide
Potential cause
Reference electrode poisoned.
Recommended action
Replace the sensor.
5.1.7 Ref voltage high or ref voltage low
Potential cause
Reference shorted or miswired.
Recommended actions
Potential cause
Sensor not fully immersed.
Recommended action
Make sure electrode tip is fully immersed in the process solution.
5.1.8 Sensor miswired
Potential cause
Open wire between sensor and transmitter.
Recommended action
Check wiring.
Potential cause
Bad preamplifier.
Recommended action
Replace preamplifier (code -01 only).
5.1.9 Temp error high or temp error low
tEMP HI or tEMP LO
Potential cause
Open or shorted resistance temperature device (RTD).
Recommended action
Replace the sensor.
46
1. Check wiring and installation.
2. Replace sensor if necessary.
November 2020
Emerson.com/Rosemount