Toshiba G3 Instruction Manual page 52

Chapter 5 Troubleshooting
If the state display LED of the product displays anything different from the
normal display as described in "Table 1-2 Details on the state display LED" on
page 8, or if any error is detected in the human interface station, stop using it
immediately and contact one of Toshiba's service representatives.
■ Failure diagnosis of GA932 module main unit
GA932 has a LED display on the front that shows the state of the module.
Perform diagnosis by referring to the following table.
State name
Normal
Error
Error
Error
(*)Depend on the state of the TC-net I/O loop
■ When an error occurs
Before removing the module from the unit, read RAS data, system log,etc.
40 40
6F8C1590
Table 5-1 Diagnosis using LED's
State display LED
RUN ERR SCAN
ON OFF ON
ON OFF Blink
OFF ON OFF
ON OFF ON
(Refer to Table 1-3 of 1.2.2 Functions of the parts)
State
LP
(*) Normal
(*) TC-net I/O loop side
Duplicate of scan
block
OFF Module error
Blink Duplicate of Node
number
Remedy
－
Please check whether a TC-net
I/O loop has other loops and
improper connection
Replace the module.
Contact one of Toshiba's service
representatives
Set a node number that does not
overlap with other devices on
TC-net I / O loop