Omron WIRED REMOTE I-O System Manual page 87

Self-Diagnosis
Non-fatal Errors
Programming LEDs on Master
Console LEDs
TR/ TEST
ERR OK
REMOTE I/O lit not lit
ERR
lit not lit
lit not lit
not not lit
lit
lit not lit
lit ---
lit ---
I/O VER ERR flash not lit
flash not lit
/not
lit
Fatal Errors
Programming LEDs on Master
Console LEDs
TR/ TEST
ERR OK
I/O SET ERR flash not lit
/lit
78
LEDs on
Slave
END LINE TR/ ERR
RS ERR ERR
CHK
lit not lit not lit lit
lit
not not not not lit not lit/lit
lit lit lit
--- not lit lit
lit
not not lit not lit lit
lit lit
--- lit lit not lit lit
--- not not not lit ---
lit lit
--- not --- ---
lit
not not lit flash not lit lit
lit
--- not lit litt
lit
LEDs on
Slave
END LINE TR/ ERR
RS ERR ERR
CHK
--- not lit lit
lit
Remote Cause
Terminal LEDs
POWER TR/
ERR
lit Transmission line
broken.
not CPU Unit error in
lit Slave or Remote
Terminal.
lit lit Master or Slave
I/O bus error.
lit CPU Unit error in
Master.
lit Transmission line
shorted.
--- Power not
supplied to Slave.
not lit not Power not
lit supplied to
Remote Terminal.
--- I/O Unit added to
or removed from
Master, Slave, or
Remote Terminal.
lit lit Remote Terminal
using same word
as PC. Same
Slave unit number
or same Remote
Terminal word
number set twice.
Remote Cause
Terminal LEDs
POWER TR/
ERR
lit lit Input and Output
specifications are
incorrect for I/O
Units on Slave
Racks or for
Remote
Terminals.
Section 7-1
Correction
Correct
transmission line.
Replace Slave or
Remote Terminal.
Check Slave I/O
units on Slave and
Rack.
Replace Master.
Correct
transmission line.
Supply power to
Slave.
Supply power to
Remote.
Check I/O table on
Programming
Console and
correct if
necessary. If I/O
table is Ok,
correct I/O
configuration.
Correction
Check I/O table on
Programming
Console and
correct if
necessary. If I/O
table is OK,
correct I/O Unit
configuration.