Mitsubishi Electric Q12DCCPU-V User Manual page 502

16
TROUBLESHOOTING
Make a Telnet connection from the
command prompt and check if the
following error message will appear.
"Sorry, session limit reached." or
"Connection to host lost."
Error occurred?
Consult your local Mitsubishi service
center or representative, explaining the
details of the problem.
16
- 31 16.2 Troubleshooting
16.2.17 When unable to make a Telnet connection
1
Yes
No
Figure 16.20 When unable to make a Telnet connection (continued)
Use Workbench or Tornado in the
current or another computer to check
if Telnet connection is already made.
Retry it after Telnet connection
timeout time is reached.
( Page 4-49, Section 4.15 (3) (a))
Is connection already made?
No
Restart the target C Controller module.
Connected?
No
Yes
Yes
End