© 2016 General Electric Company. All rights reserved.8 | =GE Oil & Gas9. Troubleshooting ......................................................................................................................................................................... 135Overview ..................................................................................................................................................................................... 135Internal Diagnostics............................................................................................................................................................... 135FAILSAFE Mode ............................................................................................................................................................... 136Accessing Diagnostic Information.................................................................................................................................. 136Error Messages on LCD........................................................................................................................................................ 137Positioner Fault Messages ......................................................................................................................................... 137Return to Normal Operation...................................................................................................................................... 137VIEW ERR Diagnostics Messages ............................................................................................................................ 138Fault Matrix................................................................................................................................................................................ 139Troubleshooting with ESDVue .......................................................................................................................................... 153Appendix A. Specifications and References .......................................................................................................................155Physical and Operational Specifications ..................................................................................................................... 155Models and Applications ..................................................................................................................................................... 161Hazardous Area Certifications ................................................................................................................................. 161SVI II ESD Models............................................................................................................................................................. 164Appendix B. Installing an SVI II ESD in a Natural Gas Environment .........................................................................165Remote Actuator Vent Gas Connection ....................................................................................................................... 167Remote Gas Piping......................................................................................................................................................... 167Single Acting Installation............................................................................................................................................. 167Appendix C. HART® Wiring Configurations ........................................................................................................................169Overview ..................................................................................................................................................................................... 169System Connections.............................................................................................................................................................. 169HART® Wiring Guidelines ................................................................................................................................................... 171SVI II ESD Setups ............................................................................................................................................................. 172Grounding Practices...................................................................................................................................................... 174Compliance Voltage in Single Drop Current Mode ......................................................................................... 175Wire Size and Conduit .................................................................................................................................................. 176HART® Physical Layer Compliance of the Control System................................................................................. 177Impedance Constraints ............................................................................................................................................... 177Noise Constraints ........................................................................................................................................................... 177Cabling and Interconnection Requirements...................................................................................................... 178Capacitance vs. Length of Cable for HART®..................................................................................................... 178HART® Filter Required for Certain Control System Output Circuits ....................................................... 178Split Range Applications...................................................................................................................................................... 179Setting Loop Addresses for Split Range Systems............................................................................................ 179Multiple Output Circuit Control System................................................................................................................ 181Isolators .............................................................................................................................................................................. 182Supplemental Power Supply ..................................................................................................................................... 184Verify Wiring and Connections................................................................................................................................. 184Required Practices for Explosion Proof Installations ............................................................................................. 186Clarification of Terminology ...................................................................................................................................... 186Recommended Practice for Severe or Humid Environments.................................................................... 186