Micromod MOD: 30ML and Modcell Maintenance for 2001N, 2002N, and 1800R - Manual (Page 77)

MOD30ML and Modcell Maintenance Manual
DIAGNOSING I/O MODULE PROBLEMS
Table 5 .2. Analog Input Module Extended Error (EXTERR) Codes
Bit/Value Status Display Message Problem Action
15/1 Conversion over-range 1. Status report
2. Upscale burnout
1. None
2. Repair input circuit
15/0 No message ----------------- -----------------
14/1 Conversion under-range Status report None
14/0 No message ----------------- -----------------
13/1 Conversion complete Status report None
13/0 Conversion incomplete Status report None
12/1 Global error is indicated An error has been detected See error messages (bits
0-6)
12/0 No message No error None
11/1 Calculations performed in
module
Status report None
11/0 Calculations not performed in
module
Status report None
10/1 Line Frequency is 50 Hz Status report None
10/0 Line Frequency is 60 Hz Status report None
9/1 High range calibration data
loaded
Status report None
9/0 Low range calibration data
loaded
Status report None
8/1 Conversion range is high Status report None
8/0 Conversion range is low Status report None
7 Not used ----------------- -----------------
6/1* A/D converter error Fault in module Replace module
5/1* UART error Fault in module Replace module
4/1* Calibration data error Fault in module Replace module
3/1* EEPROM error Fault in module Replace module
2/1* Host communications register
range error
Communications error Replace module
1/1* Host communications
checksum errors
Communications error Acknowledge, then try
again
0/1* UART timeout Fault in module Replace module
*0 No error
*0 = No Error
5 -4