C-1
SIMATIC TD 200 Operator Interface
C79000-G7076-C272-01
Troubleshooting
Refer to Table C-1 for a list of the problems that could occur with the TD 200 and
possible causes and solutions.
Table C-1 Troubleshooting Table
Problem
Possible Cause Solution
NO PARAMETER BLOCK The TD 200 could not find a
parameter block in the
programmable logic controller.
Configure a parameter block for
the TD 200 in the programmable
logic controller.
Refer to Chapter 2.
Be sure the parameter block
address in the TD 200 matches
the actual address of the
parameter block.
Refer to Section 3.8.
The TD 200 found a parameter
block in the programmable logic
Be sure all fields are within
range.
controller, but it contains errors.
Be sure all addresses are legal
for the CPU.
Refer to Section D.2.
CPU NOT RESPONDING Address of the CPU is incorrect. Correct the address errors. Refer
to Section 3.8.
CPU does not have power. Power up the CPU.
Cable problems. Check the cable connections.
Wrong baud rate configured. Correct the baud rate
configuration.Refer to
Section 3.8.
Multiple CPUs at the same
address.
Remove other CPUs and retry.
May need network terminations. Refer to Section B.2.
Network too long or too many
devices on network.
Refer to Section B.2.
HARDWARE ERROR TD 200 is inoperable. The TD 200 module could be
defective. Replace with a new
module.
C