4/00 DR4300 Circular Chart Recorder Product Manual vii
5.5 Input Calibration Procedure......................................................................................................151
5.6 Current Output Calibration.......................................................................................................153
6. ROUTINE MAINTENANCE...................................................................................157
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
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