Troubleshooting And Pen Alignment Of Recorder With Display; Overview - Honeywell DR4300 Product Manual

8. Troubleshooting and Pen Alignment

8.1 Overview

Introduction
This section explains how to troubleshoot the recorder models having display and keypad. Troubleshooting
uses self-diagnostic test results and error messages as well as some observable symptoms of failure.
• To reduce recorder down-time, this section enables tracing trouble to a printed circuit assembly
(PCA)/hardware assembly level rather than to an individual component.
• While troubleshooting is straightforward, we recommend that only trained service technicians repair
the recorder. SEE THE SHOCK HAZARD WARNING BELOW.
This section also includes instructions for aligning the pens
What's in this section?
The following is a list of the topics covered in this section.
8.1 Overview
8.2 Troubleshooting Aids
8.3 Self Diagnostics
8.4 Observable Symptoms of Failure
8.5 Troubleshooting Procedures
8.6 Alignment of Pen at Zero and Span
TROUBLESHOOTING MAY REQUIRE ACCESS TO HAZARDOUS LIVE
CIRCUITS, AND SHOULD ONLY BE PERFORMED BY QUALIFIED
SERVICE PERSONNEL. MORE THAN ONE SWITCH MAY BE REQUIRED
TO DE-ENERGIZE UNIT BEFORE SERVICING.
4/00
of Recorder with Display
Topic
WARNING—SHOCK HAZARD
DR4300 Circular Chart Recorder Product Manual
Troubleshooting and Pen Alignment
of Recorder with Display
!
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