Operating Instructions

Table of Contents
IV Siemens Building Technologies, Inc.
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
Glossary.............................................................................................................Glossary-1
Index.........................................................................................................................Index-1