C
C-2
SIMATIC TD 200 Operator Interface
C79000-G7076-C272-01
Table C-1 Troubleshooting Table
Problem SolutionPossible Cause
NETWORK ERROR
(TD 200 cannot establish a
May be multiple masters with the
same address.
Remove other masters and retry.
network connection or enter an
existin
network.
Cable problems. Check the cable connections.
.
Multiple CPUs at the same
address.
Remove other CPUs and retry.
CPU BUSY Some other master has locked
the CPU by uploading or
downloading a program to that
CPU.
Wait — it disappears in a few
seconds.
CPU IN STOP MODE RUN/STOP switch is in STOP. Put CPU in RUN mode.
CHARACTER SET ERROR A character set which has been
selected is not supported.
Use the TD 200 wizard to select
a valid character set.
Display backlight blinks on and
off
Software checksums are
incorrect.
TD 200 hardware is defective.
Replace with a new TD 200.
Troubleshootin