
1.0 Identifying Simplex® 4100 Series Faults .......................................................................................... 3 
1.1 4100 SERIES -OVERVIEW ................................................................................................................... 4 
1.2 4100U BASIC OPERATIONS ................................................................................................................ 5 
1.3 OPERATOR INTERFACE COMMANDS..................................................................................................... 6 
1.1.1 Resetting 4100 Latched Faults & Rebooting CPU .................................................. 7 
1.4 INDEX –QUICK VIEW ........................................................................................................................... 8 
1.1.2 Loop Card Faults ..................................................................................................... 9 
1.1.2.1 Card Missing/Failed ............................................................................................... 10 
1.1.2.2 Correct Card Abnormal.......................................................................................... 10 
1.1.2.3 Short Circuit Abnormal........................................................................................... 10 
1.1.2.3.1 Class „A‟ Abnormal ................................................................................................ 11 
1.1.2.3.2 Channel Failure Abnormal ..................................................................................... 11 
1.1.2.3.3 Channel Initialization Abnormal ............................................................................. 11 
1.1.2.3.4 Extra Device........................................................................................................... 12 
1.1.2.3.5 IDNet Dipswitch Settings ....................................................................................... 12 
1.1.3 Addressable Device Faults .................................................................................... 13 
1.1.3.1.1 No Answer ............................................................................................................. 13 
1.1.3.1.2 Head Missing ......................................................................................................... 14 
1.1.3.1.3 Wrong Device ........................................................................................................ 15 
1.1.3.1.4 Bad Answer............................................................................................................ 16 
1.1.3.1.5 Extra Device........................................................................................................... 17 
1.1.3.1.6 Output Abnormal.................................................................................................... 18 
1.1.3.1.7 Alarm Verification Tally Exceeded ......................................................................... 18 
1.1.3.1.8 Detector LED Operation ........................................................................................ 18 
1.1.3.1.9 Device DIP Switch Settings ................................................................................... 18 
1.1.3.1.10 End of Line Resistors............................................................................................. 19 
1.1.5 4100-0157A Battery Charger Faults ...................................................................... 21 
1.1.6 Positive/Negative Earth Ground Faults ................................................................. 23 
1.1.6.1 Earth Ground Fault Detecting and Locating .......................................................... 23 
2.0 4100 Crash Codes –General Information....................................................................................... 25 
2.1 4100 CRASH CODES –GENERAL INFORMATION ................................................................................. 26 
2.2 4100-FAMILY GENERAL CRASH CODES TABLE.................................................................................. 27 
2.3 4100-FAMILY GENERAL CRASH CODES TABLE (CONTINUED) ............................................................. 28 
3.0 Identifying Faults on the GCC, IMS & TrueSite Graphics & Network .......................................... 29 
3.1 IDENTIFYING FAULTS ON THE GRAPHICS –GENERAL INSTRUCTIONS ................................................... 30 
3.1.1 GCC, IMS & TrueSite Workstation Graphical Control Centre ............................... 30 
3.2 DISPLAYED FAULT FORMAT............................................................................................................... 31 
3.2.1 Fault Type .............................................................................................................. 32 
3.3 NETWORK FAULTS ............................................................................................................................ 33 
3.3.1 Common Trouble Point for Node ........................................................................... 33 
3.3.2 Card Trouble for Node ........................................................................................... 33 
3.3.3 Network Operating in Degraded Style 7 ................................................................ 33 
3.3.4 Network Initialization Incomplete ........................................................................... 33 
3.3.5 Node Missing/Failed .............................................................................................. 33 
3.3.6 System Pseudo Status for Node ........................................................................... 33 
3.3.7 Version Mismatch .................................................................................................. 33