Specifications

SQ: 1-49
RS3: Service Quick Reference Guide
Troubleshooting
FIC/FIM Status Bits (continued)
Status for: DescriptionBitStatus Bits
Analog FIM
Bits:
(continued)
xxxx 1xxx 3
Not currently used. Always set to 0.
(Early versions reported DC power
status with this bit.)
xxxx x1xx 2
Loop Power Module status bits: 0 for Loop
Power Module A.
1 for Loop
Power Module B.
xxxx xx1x 1
Set to 0 when the Loop Power Module is
good.
Set to 1 when there is a problem with the
Loop Power Module.
xxxx xxx1 0
Set to 0 when the Loop Power Module is
present.
Set to 1 when the Loop Power Module is
absent.
Contact
Bits:
1xxx xxxx 7 Setting of the Hold jumper: 1 = Hold, 0 = Off
x1xx xxxx 6 Diagnostics: 1 = Fault, 0 = OK
xx1x xxxx 5 Point 6 when the OBU is connected:
1 = Normal, 0 = Override
xxx1 xxxx 4 Point 5 when the OBU is connected
xxxx 1xxx 3 Point 4 when the OBU is connected
xxxx x1xx 2 Point 3 when the OBU is connected
xxxx xx1x 1 Point 2 when the OBU is connected
xxxx xxx1 0 Point 1 when the OBU is connected
Pulse Bits: 1xxx xxxx 7
RAM test result: Set to 1 if the RAM
background test fails.
x1xx xxxx 6
ROM test result: Set to 1 i f the ROM
checksum fails.
xx1x xxxx 5
CPU test result: Set to 1 if the CPU test
fails.
(continued on next page)