Allen-Bradley Rockwell Automation 857 User Manual page 170

4-28
Supporting Functions
857-UM001A-EN-P – July 2009
Table 4.20 – Error Registers
Register Bit
0 (LSB)
1
2
3
4
5
SelfDiag1 6
7
8
10
11
12
13
0 (LSB)
1
2
3
4
5
6
7
SelfDiag3
8
9
10
11
12
13
14
15 (MSB)
0 (LSB)
SelfDiag4
1
The error code is displayed in self diagnostic events and on the diagnostic menu on local
panel and SetPointPS.
Code Description
T1
T2
T3
T4
A1
A2
A3 Output relay fault
A4
A5
T5
T6
T7
T8
DAC mA-output fault
STACK OS: stack fault
MemChk OS: memory fault
BGTask OS: background task timeout
DI Digital input fault (DI1, DI2)
Arc Arc card fault
SecPulse Hardware error
RangeChk DB: Setting outside range
CPULoad OS: overload
+24V
Internal voltage fault
-15V
ITemp Internal temperature too high
ADChk1 A/D converter error
ADChk2 A/D converter error
E2prom E2prom error
+12V Internal voltage fault
ComBuff BUS: buffer error