Honeywell STT850 SMARTLINE User Manual page 8

4.2.6 The Basic Display Menu .............................................................................................. 34
4.2.7 Selecting a new setting from a list of choices .............................................................. 39
4.3 Three Button Operation with no Display Installed .............................................................. 40
4.3.1 Zero Adjustment .......................................................................................................... 40
4.3.2 Span Adjustment .......................................................................................................... 40
4.4 Changing the Default Failsafe Direction.............................................................................. 41
4.4.1 DE and Analog Differences ......................................................................................... 41
4.4.2 Procedure to Establish Failsafe Operation ................................................................... 41
4.5 Monitoring the Basic and Advanced Displays ..................................................................... 44
4.5.1 Basic Display ............................................................................................................... 44
4.5.2 Advanced Displays ...................................................................................................... 44
4.5.3 Button operation during monitoring............................................................................. 46
5 Maintenance ................................................................................................................................. 47
5.1 Overview .............................................................................................................................. 47
5.2 Preventive Maintenance Practices and Schedules ................................................................ 47
5.3 Replacing the Communication Module ............................................................................... 47
6 Calibration .................................................................................................................................... 51
6.1 Recommendations for Transmitter Calibration .................................................................... 51
6.2 Calibration Procedures ......................................................................................................... 51
7 Troubleshooting ........................................................................................................................... 53
7.1 Overview .............................................................................................................................. 53
7.2 Critical Diagnostics Screens ................................................................................................ 53
7.2.1 Fault Conditions and Recommended Corrective Actions ............................................ 54
8 Parts List ...................................................................................................................................... 55
8.1 Overview .............................................................................................................................. 55
Appendix A. PRODUCT CERTIFICATIONS .................................................................................... 59
Glossary ............................................................................................................................................... 71
Page viii STT850 Temperature Transmitter User's Manual Revision 1