Toshiba nv Series Instruction Manual page 51

Chapter 5 Troubleshooting
If the state display LED of the product displays anything different from the
normal display as described in "Table 1-1 Display on the state display LED and
normal display," or if any error is detected in the human interface station, stop
using it immediately and contact one of Toshiba's service representatives.
Fault diagnosis method using the LEDs
Perform diagnosis by referring to the following table.
Normal
operation
Down
Loading the RAS data and system log
To load the RAS data and system log, refer to "Unified Controller nv
series/Integrated Controller V series nV-Tool (Basic) operation manual"
(6F8C1290).
When loading fails during serial communication
Load them again. Logs related to serial communication may be traced.
When an error occurs
Load the RAS data and system log before removing the module from the basic
unit.
38
6F8C1361
Table 5-1 Diagnosis using the LEDs
LED display
State
name
RUN HLTH ERR
ON ON OFF
OFF OFF ON
State
L-A L-B
Blinking Blinking Normal
or ON or ON
Module
－ －
error
Remedy
－
Replace the module.
Contact one of
Toshiba's service
representatives.