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