DR4300 Circular Chart Recorder

8.5 Troubleshooting Procedures

8.5.1 Overview

Introduction

The troubleshooting procedures for the observable symptoms of failure are presented in the same order as they appear in Table 8-5.Each procedure includes what to do if you have that particular failure, as well as instructions for accomplishing the task, or a cross-reference to instructions elsewhere in the manual.

Equipment needed

You will need the following equipment in order to troubleshoot the symptoms listed in the tables that follow:

DC Milliammeter – mA DC

Calibration sources – T/c, mV, Volt, etc.

Voltmeter

Safety precautions

Exercise appropriate safety precautions when troubleshooting the recorder operation.

WARNING—SHOCK HAZARD

!

 

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.

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DR4300 Circular Chart Recorder Product Manual

12/03

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Honeywell DR4300 manual 180