7.2 Observable Symptoms of Failure
Introduction
If erratic operation is observed, refer to the failure symptoms in Table 7-1, then follow the appropriate
troubleshooting procedure in Subection 7.3.
Symptoms
Compare your recorder's symptoms with those shown in Table 7-1 and refer to the indicated subsection for
the appropriate troubleshooting procedure.
Recorder will not operate.
Recorder operation is normal but pen trace is incorrect.
Chart rotates at wrong speed or will not rotate (pen indication correct).
Pen remains at high end of range when input signal is low.
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Table 7-1 Observable Symptoms of Failure
Symptom
DR4300 Circular Chart Recorder Product Manual
Troubleshooting and Pen Alignment
of Recorder without Display
Subsection
See
7.3.2
7.3.3
7.3.4
7.3.5
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