2104349– rev. AD Page v4.3 Restoring Configuration Files ................................................................................................. 4–24.3.1 Step-by-Step Instruction ........................................................................................... 4–24.4 Performing a Warm Boot ........................................................................................................ 4–24.4.1 Hardware Warm Boot ............................................................................................... 4–24.4.2 Software Warm Boot ................................................................................................ 4–34.5 Performing a Cold Boot .......................................................................................................... 4–44.5.1 Hardware Cold Boot ................................................................................................. 4–44.5.2 Software Cold Boot .................................................................................................. 4–54.6 Changing the G4 EX Clock ..................................................................................................... 4–64.6.1 Clock Change Not Crossing an Hour Boundary ....................................................... 4–64.6.2 Forward Clock Change Crossing an Hourly Boundary ............................................. 4–64.6.3 Backward Clock Change Crossing an Hourly Boundary .......................................... 4–64.7 Replacing the G4 EX battery Pack ........................................................................................ 4–64.7.1 Step-by-step instructions .......................................................................................... 4–74.8 Replacing the G4 EX board .................................................................................................... 4–84.8.1 Step-by-step instructions .......................................................................................... 4–94.9 Replacing the G4 EX termination board ............................................................................... 4–134.9.1 Step-by-step instructions ........................................................................................ 4–134.10 Replacing the Liquid Crystal Display (LCD) board ............................................................... 4–154.10.1 Step-by-step instructions ........................................................................................ 4–154.11 Replacing the lithium battery ................................................................................................ 4–164.11.1 Step-by-step instructions ........................................................................................ 4–164.12 Replacing the transducer (EXIMV) ....................................................................................... 4–174.12.1 Step-by-step instructions ........................................................................................ 4–174.13 Calibration ............................................................................................................................ 4–194.13.1 Required test equipment ........................................................................................ 4–194.13.2 Hold mode .............................................................................................................. 4–204.13.3 Static pressure (SP) calibration checks .................................................................. 4–204.13.4 Differential pressure (DP) calibration checks ......................................................... 4–224.13.5 Calibrating static pressure (SP).............................................................................. 4–234.13.6 Calibrating differential pressure (DP) ..................................................................... 4–254.14 Onboard I/O calibration overview ......................................................................................... 4–264.14.1 Hold mode .............................................................................................................. 4–264.14.2 Calibrating onboard analog inputs.......................................................................... 4–264.14.3 Onboard pulse and digital inputs ............................................................................ 4–274.15 Zero transducer .................................................................................................................... 4–284.15.1 Static pressure ....................................................................................................... 4–284.15.2 Differential pressure ............................................................................................... 4–284.16 RTD calibration and bias ...................................................................................................... 4–284.16.1 Step-by-step instructions ........................................................................................ 4–294.16.2 Calibrating RTD temperature bias .......................................................................... 4–304.17 Changing the orifice plate ..................................................................................................... 4–304.17.1 Taking meter run out of service (simplex fitting) ..................................................... 4–304.17.2 Leaving meter run in-service procedure (senior fitting) .......................................... 4–315 Troubleshooting .................................................................................................................. 5–15.1 Overview ................................................................................................................................ 5–15.1.1 Troubleshooting support .......................................................................................... 5–15.1.2 Visual alarm codes ................................................................................................... 5–15.1.3 Sleep mode .............................................................................................................. 5–15.1.4 Solar panel ............................................................................................................... 5–15.1.5 Communication ........................................................................................................ 5–15.2 Troubleshooting visual alarm codes ....................................................................................... 5–2