TROUBLESHOOTING
STATUS BYTES
5 - 2
I-E96-209A
®
module uses its current configuration to maintain operation;
the configuration cannot be modified (i.e., tuned) in this mode.
STATUS BYTES
The LMM status bytes provide information concerning the
slave modules and LMM inputs. The status bytes display as
hexadecimal values on the CTT, and are available by displaying
the module address and pressing the
NEXT
key. On the OIS,
MCS or EWS, the status bytes can be accessed by displaying
the module status screen. Table
interprets the bits pre-
sented in the module status bytes.
Table 5-1. LMM Module Mode LED Indications and Corrective Actions
LED State
Indication
Probable Cause
Corrective Action
Solid Green Module in EXECUTE
mode. No errors exist.
Normal operation.
No corrective action required.
Blinking
Green
Module in CONFIGURE
mode.
Normal operation.
Use configuration tool to enter the control
strategy.
Module in EXECUTE
mode.
A nonfatal error such
as self-test routine
failure or NVRAM
error has occurred
Ensure the system is shut down or in a safe
state. Push the RESET pushbutton. The
module is now in ERROR mode. Use con-
figuration tool to obtain the status word indi-
cating the error. Refer to Table
Red
Module in ERROR mode.
LMM does not communi-
cate with modules on
module bus. Status
bytes cannot be read.
A fatal error has
occurred
Replace module or contact nearest Bailey
Controls representative.
Off
No power to LMM.
Microprocessor or
related hardware
failure.
Replace module or contact nearest Bailey
Controls representative.
Table 5-2. Module Status Bytes
Byte
Bit
7
6
5
4
3
2
1
0
1
ES
MODE
TYPE=7
2
FTX
MOV
RIO
LIO
NVF
NVI
DSS
3
Bytes 3 to 5 combine to define other errors.
4
5