Maintenance for 2001N, 2002N, and 1800R Manual

MOD30ML and Modcell Maintenance Manual
DIAGNOSING I/O MODULE PROBLEMS
5.4 SAMPLE MODULE ERRORS
Some sample module errors and their decimal code numbers are as follows:
• Analog Input Modules
43766 - Module over range (status data)
27392 - Module under range (status data)
15136 - COPS UART failure, BADC crystal not operational (replace module)
15168 - A/D converter failure (replace module)
• Analog Output Modules
3072 - Daughter board failure (replace module)
2048 - Circuit board failure (replace module)
19456 - Circuit board failure (replace module)
4244 - Watchdog failure (replace module)
22656 – Read-back failure with watchdog; daughter board failure (replace module)
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