Troubleshooting/Service

7 Troubleshooting/Service

7.1 Overview

Introduction

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 following order:

installation related problems

application related problems

hardware and software related problems

and use the information presented in this section to solve them.

What's in this section?

The following topics are covered in this section.

 

TOPIC

See Page

7.1

Overview

158

 

 

 

7.2

Troubleshooting Aids

159

 

• Overall Error Messages

 

 

• Controller Failure Symptoms

 

 

• Customer Support

 

 

• Determining the Software Version Number

 

 

 

 

7.3

Power-up Tests

161

 

 

 

7.4

Status Tests

161

 

 

 

7.5

Background Tests

162

 

 

 

7.6

Controller Failure Symptoms

164

 

 

 

7.7

Troubleshooting Procedures

165

 

• Power Failure

 

 

• Current Proportional Output Failure

 

 

• Time Proportional Output Failure

 

 

• Time/Current - Current/Time Proportional Output Failure

 

 

• Alarm Relay Output Failure

 

 

• Keyboard Failure

 

7.8

Restore Factory Configuration

174

 

 

 

7.9

Software Upgrades

175

 

 

 

158

UDC2500 Universal Digital Controller Product Manual

4/07

Page 172
Image 172
Honeywell UDC2500 manual Troubleshooting/Service