SMC
sierra monitor corporation
Sentry Instruction Manual - Version 6
TABLE OF CONTENTS
6.
MAINTENANCE .............................................................................................................................................................53
6.1
MAINTENANCE REQUIREMENTS...........................................................................................................................53
7.
SERVICE ..........................................................................................................................................................................55
7.1
OVERVIEW ..................................................................................................................................................................55
7.1.1
GENERAL .............................................................................................................................................................55
7.1.2
INSTALLATION INSPECTION...........................................................................................................................55
7.1.3
DATA COLLECTION...........................................................................................................................................55
7.1.4
INSPECTION AND TROUBLESHOOTING GUIDE ..........................................................................................55
7.2
CONTROLLER .............................................................................................................................................................58
7.2.1
MECHANICAL/FUNCTIONAL DESCRIPTION ................................................................................................58
7.2.2
ELECTRICAL DESCRIPTION.............................................................................................................................58
7.3
COMMUNICATIONS...................................................................................................................................................63
7.3.1
DESCRIPTION OF COMMUNICATIONS ..........................................................................................................63
7.3.2
WARNING AND ERROR MESSAGES ...............................................................................................................64
7.3.3
WARM-UP TIMERS.............................................................................................................................................64
7.3.4
ACCESS CODES...................................................................................................................................................64
7.3.5
DIAGNOSTIC CODES .........................................................................................................................................64
7.3.6
DIAGNOSTIC REPORT .......................................................................................................................................65
7.4
HYDROGEN SULFIDE MODULE (5100-01) .............................................................................................................66
7.4.1
DESCRIPTION......................................................................................................................................................66
7.4.2
TROUBLE ANALYSIS.........................................................................................................................................66
7.4.3
ADJUSTMENT PROCEDURE .............................................................................................................................66
7.4.4
SENSOR REPLACEMENT...................................................................................................................................67
7.5
COMBUSTIBLE GAS SENSOR MODULE (5100-02)................................................................................................69
7.5.1
DESCRIPTION......................................................................................................................................................69
7.5.2
TROUBLE ANALYSIS.........................................................................................................................................69
7.5.3
ADJUSTMENT PROCEDURE .............................................................................................................................69
7.5.4
SENSOR REPLACEMENT...................................................................................................................................70
7.5.5
COMBUSTIBLE GAS SCALING FACTORS......................................................................................................71
7.6
OXYGEN MODULE (5100-03) ....................................................................................................................................72
7.6.1
DESCRIPTION......................................................................................................................................................72
7.6.2
TROUBLE ANALYSIS.........................................................................................................................................72
7.6.3
ADJUSTMENT PROCEDURE .............................................................................................................................72
7.6.4
SENSOR REPLACEMENT...................................................................................................................................72
7.7
CARBON MONOXIDE MODULE (5100-04)..............................................................................................................74
7.7.1
DESCRIPTION......................................................................................................................................................74
7.7.2
TROUBLE ANALYSIS.........................................................................................................................................74
7.7.3
ADJUSTMENT PROCEDURE .............................................................................................................................74
7.8
HYDROGEN SULFIDE MODULE (5100-05) .............................................................................................................76
7.8.1
DESCRIPTION......................................................................................................................................................76
7.8.2
TROUBLE ANALYSIS.........................................................................................................................................76
7.8.3
ADJUSTMENT PROCEDURE .............................................................................................................................76
7.9
TOXIC GAS SENSOR MODULE ................................................................................................................................78
7.9.1
DESCRIPTION......................................................................................................................................................78
7.9.2
TROUBLE ANALYSIS.........................................................................................................................................78
7.9.3
ADJUSTMENT PROCEDURE .............................................................................................................................78
7.10
AMMONIA SENSOR MODULE (5100-25).................................................................................................................81
7.10.1
DESCRIPTION......................................................................................................................................................81
7.10.2
TROUBLE ANALYSIS.........................................................................................................................................81
7.10.3
ADJUSTMENT PROCEDURE .............................................................................................................................81
