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Chapter 7 Error Codes 
7.1  Error Codes and LED Indicators ............................................................... 7-2 
7.1.1  CPU Modules .................................................................................... 7-2 
7.1.2  Analog I/O Modules and Temperature Measurement Modules ........7-22 
7.1.3  AH02HC-5A/AH04HC-5A .................................................................7-24 
7.1.4  AH05PM-5A / AH10PM-5A / AH15PM-5A ........................................7-24 
7.1.5  AH20MC-5A .....................................................................................7-25 
7.1.6  AH10EN-5A / AH-15EN-5A ..............................................................7-26 
7.1.7  AH10SCM-5A / AH15SCM-5A ..........................................................7-27 
7.1.8  AH10DNET-5A .................................................................................7-27 
7.1.9  AH10PFBM-5A .................................................................................7-28 
7.1.10   AH10PFBS-5A ................................................................................7-28 
7.1.11   AH10COPM-5A ...............................................................................7-29