Honeywell DR4300 Product Manual page 184

DR4300 Circular Chart Recorder
Types of problems
Instrument performance can be adversely affected by installation and application problems as well as by
hardware problems. We recommend that you investigate the problems in the order listed below, and use the
information in this section to solve them. If replacement of any part is required, follow the procedures in
Section 9 – Replacing Hardware Assemblies.
• Installation related problems
• Application related problems
• Hardware and software related problems
Installation related problems
Read Section 2 – Installation to make sure the recorder has been properly installed. Document 51-52-05-01
How to Apply Digital Instrumentation in Severe Electrical Noise Environments can provide additional
relevant information.
ATTENTION
System noise induced into the recorder will result in diagnostic error messages recurring.
If the diagnostic error messages can be cleared, it indicates a "soft" failure and is probably noise
related.
If system noise is suspected, completely isolate the recorder from all field wiring. Use calibration
sources to simulate PV and check all recorder and control functions; that is, pen functions, chart
trace, output, alarms, etc.
Application related problems
Review the application of the recorder; then, if necessary, direct your questions to the local sales office.
Hardware and software related problems
Use the troubleshooting error messages and observable symptoms to identify typical failures which may
occur in the recorder. Follow the troubleshooting procedures to correct the problems.
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