Toshiba TNB21, Instruction Manual

Page: 66 / 99

Chapter 5 Troubleshooting
6F8C1637
52
If the state display LED of the product displays anything different from the
normal display as described in "Table 1-1 Display details on the state display
LED and normal display" on page 5, or if any error is detected in the human
interface station, stop using it immediately and contact one of Toshiba's service
representatives.
To load the RAS data and system log, refer to engineering tool operation
manual.
Fault diagnosis method using the LEDs
Refer to the following table for diagnosis.
Table 5-1 Diagnosis using the LEDs
Status
name LED Display Status Remedy
RUN SCAN ERR L-A L-B LINK-A
LNK-B
ACT-A
ACT-B
Normal On On Off On On On Off Normal
Down Off off On
－ － － －
Abnormal
/Error
Contact our
company service
center
Loading the RAS data and system log
To load the RAS data and system log, refer to "Unified Controller / Integrated
Controller Engineering Tool 4 Operation Manual - Basic - (6F8C1290)."
When an error occurs
Load the RAS data and system log before removing the module from the basic
unit.