Emerson Rosemount Oxymitter 4000 Reference Manual page 5

July 2018
HART/AMS ........................................................ 85
Troubleshooting ............................................... 96
Overview ...........................................................................85
HART Communicator Signal Line Connections ..................86
Method 1, For Load Resistance ≥ 250 Ohms ......................................................86
Method 2, For Load Resistance < 250 ohms ......................................................86
HART Communicator PC Connections ...............................88
Off-line and On-line Operations .........................................88
Logic I/O Configurations ....................................................89
HART/AMS Menu Tree .......................................................89
HART Communicator O
HART Communicator O
D/A Trim Procedure ...........................................................95
LOI Menu ..........................................................................................................95
Overview ...........................................................................96
General .............................................................................98
Grounding ........................................................................................................98
Electrical Noise .................................................................................................98
Loose Integrated Circuits ..................................................................................98
Electrostatic Discharge .....................................................................................98
Alarm Indications ..............................................................98
Alarm Contacts .................................................................99
SPS 4001B and IMPS 4000, 1-4 probes ............................................................100
Additional IMPS 4000 Alarm Contacts ............................................................100
Identifying and Correcting Alarm Indications ..................100
Fault 1, Open Thermocouple ..........................................................................102
Fault 2, Shorted Thermocouple ......................................................................104
Fault 3, Reversed Thermocouple Wiring or Faulty PC Board ............................106
Fault 4, A/D Comm Error .................................................................................108
Fault 4, Open Heater .......................................................................................110
Fault 6, High High Heater Temp ......................................................................112
Fault 7, High Case Temp .................................................................................114
Fault 8, Low Heater Temp ...............................................................................116
Fault 9, High Heater Temp ..............................................................................118
Fault 10, High Cell mV ....................................................................................120
Fault 11, Bad Cell ............................................................................................122
Fault 12, EEprom Corrupt ...............................................................................124
Fault 13, Invalid Slope .....................................................................................126
Fault 14, Invalid Constant ...............................................................................128
Fault 15, Last Calibration Failed .......................................................................130
Heater not open, but unable to reach 1357 °F (736 °C) set-
point ...............................................................................132
Cal Method .................................93
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Cal Method .................................94
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Rosemount Oxymitter 4000
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