Operating Instructions

Table Of Contents

Siemens Building Technologies, Inc. 5-1

Chapter 5—Troubleshooting

Overview

Chapter 5 discusses the following topics:

Page

• Basics of Troubleshooting................................................................................................. 5-2

− Datamate Software..................................................................................................... 5-2

− Basic Service Information........................................................................................... 5-2

− Preventive Maintenance............................................................................................. 5-3

− Safety Features .......................................................................................................... 5-3

− Controller LED............................................................................................................ 5-4

− Basic Troubleshooting Flowchart ............................................................................... 5-4

• Automated Checkout......................................................................................................... 5-6

• Troubleshooting Procedures............................................................................................. 5-8

− Controller Troubleshooting ......................................................................................... 5-8

− Temperature Sensor Troubleshooting...................................................................... 5-12

− Digital and Analog Inputs Troubleshooting............................................................... 5-14

− Air Velocity Sensor Troubleshooting ........................................................................ 5-15

− Actuator and Valve Troubleshooting ........................................................................ 5-17

− Relay Module Troubleshooting................................................................................. 5-20

• Equipment Checks.......................................................................................................... 5-22

− FLN Trunk Connections Check ................................................................................ 5-22

− DI 3 and DI 4 Check ................................................................................................. 5-22

− Al 3 and AI 4 Check.................................................................................................. 5-23

− Actuator Check......................................................................................................... 5-23

• ERROR STATUS Messages .......................................................................................... 5-25

• Clearing an Error Condition ............................................................................................ 5-26