USER'S GUIDE  ____________________________________________________________________ 
4  ____________________________________________________________________ M211187EN-C 
Memory Tests and Program Operation ................. 123 
Communication Monitoring ....................................... 123 
Background Luminance Sensor .............................. 124 
Error Log ......................................................................... 124 
CHAPTER 6 
MAINTENANCE .................................................................................... 125 
Cleaning FSM102 Windows ........................................ 125 
FS11 Calibration .............................................................. 127 
FSM102 Visibility Calibration ................................... 127 
FSM102 Calibration Check Procedure ............ 128 
FSM102 Calibration Procedure .......................... 129 
FSM102 Mechanical Alignment Check 
Procedure .................................................................. 130 
FSM102 Guided Calibration Procedure ........... 131 
Evaluating Results of Guided Calibration 
Procedure for Measurement Unit ....................... 134 
Calibration Passed ............................................ 134 
Calibration Procedure Failed ......................... 137 
Replacing FS11 Modules ............................................. 139 
Replacing FSC102 ...................................................... 140 
Replacing FSC202 ...................................................... 142 
Replacing FSP103 .......................................................... 146 
Replacing Transmitter Module FST102 and 
Receiver Module FSR102 ......................................... 149 
Replacing/Installing Sensor Cables in FS11 ....... 155 
Replacing Fuses ............................................................. 157 
CHAPTER 7 
TROUBLESHOOTING ........................................................................ 159 
Error Messages ............................................................... 160 
Errors ............................................................................... 160 
Alarms ............................................................................. 161 
Warnings ........................................................................ 162 
Indications ...................................................................... 163 
Miscellaneous Problems ............................................. 164 
Technical Support .......................................................... 166 
Product Returns .............................................................. 166 
CHAPTER 8 
TECHNICAL DATA .............................................................................. 167 
Specifications .................................................................. 167 
Operational Specifications ........................................ 167 
Optical Specifications ................................................. 167