Troubleshooting; Fault Diagnosis Method Using Led - Toshiba nv Series Instruction Manual

Chapter 5 Troubleshooting
5.1

Troubleshooting

This chapter describes troubleshooting for the IS911 module.
5.1.1

Fault diagnosis method using LED

Fault diagnosis is possible with the LED display status. The table below shows
the relationship between LED display and fault diagnosis. When an error is
detected, an alarm is displayed on the OIS. Refer to "5.1.5 OIS Alarm Display"
for the display contents.
RUN ERR
ON
OFF
ON
* 1:
◆ Important

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Table 5-1 Fault Diagnosis by LED display
LED display
I/O TX RX
OFF ON ON / ON /
OFF OFF
ON - - -
ON
BLINK BLINK
means turning on and off repeatedly at regular intervals.
BLINK
If the LED display on the IS911 module shows an abnormality and it does not
recover even after corrective action is taken, stop using it immediately and
contact your nearest service center.
State
MOD
ON Normal
Module error
- Contact one of our service
representatives to replace the
module.
Wait to When automatic download is
download completed, the normal display
appears.
BLINK Module Correct the module parameters
parameter error. and download again.
* 1
BLINK Partial request Check for transmission
communication parameter errors.
error * 1 If there are any mistakes, please
correct and re-download.
OFF All request Check for transmission
communication parameter errors.
errors If there are any mistakes, please
correct and re-download.
In addition, there may be an error
in the connection of the
transmission cable. Check the
transmission cable is connected
correctly or not.
Remedy
-