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7. Troubleshooting
This chapter discusses how to find the cause of the trouble and countermeasures during the DN211
operation. Also refer to the T2/T2E/T2N Main Unit User’s Manual when encountering trouble.
7.1 When Starting up the Module
(1) If the module does not start up normally (becoming no standby status)
When the module is normal, the DN211 starts module initialization when the power is turned ON or
reset is requested, and then becomes standby status.
Standby status: MS, NS: Not lit 7-Segment LED: Node address is lighting.
END
START
Replace T2/T2E/T2N.
Replace the module.
Read the down information and pack it with
the module to send to TOSHIBA.
Correctly mount the DN211 in the slot and
tight it with fixing screw.
Supply the power module with the rated
corrent.
No
No
No
No
Yes
Yes
Yes
Yes
Does the DN211 start up normally
when combined with other
T2/T2E/T2N?
Is station status not down mode?
Is the DN211 mounted correctly in
the base unit?
Is the power supplied to the power-
supply module of the T2 side?
(2) When Encountering Down Mode While Communicating with Slave Devices
Countermeasure Replace the modules.
Record the down information before replacing the module (as noted on the
module front).
Send the downed module and down information to TOSHIBA.