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12/03 DR4300 Circular Chart Recorder Product Manual
vii
6.1 Overview .................................................................................................................................. 157
6.2 Replacing the Chart .................................................................................................................. 158
6.3 Replacing the Ink Cartridge...................................................................................................... 159
6.4 Maximizing Pen Life ................................................................................................................ 160
7. TROUBLESHOOTING AND PEN ALIGNMENT OF BASIC RECORDER
WITHOUT DISPLAY ............................................................................................ 161
7.1 Overview .................................................................................................................................. 161
7.2 Observable Symptoms of Failure ............................................................................................. 163
7.3 Troubleshooting Procedures ..................................................................................................... 164
7.3.1 Overview ..................................................................................................................... 164
7.3.2 Recorder Failure Troubleshooting............................................................................... 165
7.3.3 Pen Trace Troubleshooting.......................................................................................... 166
7.3.4 Chart Rotation Troubleshooting .................................................................................. 167
7.3.5 Troubleshooting Erratic Pen Movement...................................................................... 168
7.4 Alignment of Pen at Zero and 100 % ....................................................................................... 169
8. TROUBLESHOOTING AND PEN ALIGNMENT OF RECORDER WITH
DISPLAY .............................................................................................................. 171
8.1 Overview .................................................................................................................................. 171
8.2 Troubleshooting Aids ............................................................................................................... 173
8.3 Self Diagnostics........................................................................................................................ 174
8.3.1 Power up tests.............................................................................................................. 174
8.3.2 View Status of Tests .................................................................................................... 175
8.3.3 Background Tests ........................................................................................................ 176
8.3.4 Error Messages ............................................................................................................ 176
8.4 Observable Symptoms of Failure ............................................................................................. 179
8.5 Troubleshooting Procedures ..................................................................................................... 180
8.5.1 Overview ..................................................................................................................... 180
8.5.2 Recorder Failure Troubleshooting............................................................................... 181
8.5.3 Pen Trace Troubleshooting.......................................................................................... 182
8.5.4 Chart Rotation Troubleshooting .................................................................................. 183
8.5.5 Troubleshooting Erratic Pen Movement...................................................................... 184
8.5.6 Troubleshooting the Keypad and Display ................................................................... 184
8.5.7 Troubleshooting Relay Output .................................................................................... 185
8.5.8 Troubleshooting External Alarm Function.................................................................. 186
8.5.9 Troubleshooting Remote Switch (Digital Input) Function.......................................... 186
8.5.10 Troubleshooting Modbus Communications ................................................................ 187
8.6 Alignment of Pen at Zero and Span.......................................................................................... 188
9. PARTS LIST......................................................................................................... 191
9.1 Overview .................................................................................................................................. 191
9.2 Exploded Views........................................................................................................................ 192