Troubleshooting - Toshiba V Series User Manual

8.2 Troubleshooting

If the LEDs that indicate the status of the product show other than the normal indications
specified in Table 2-1, Status LEDs, or if an error is detected at a human interface station,
stop using the product and contact the nearest Toshiba service office concerned.
For how to read RAS data, system logs, etc., refer to the Operation Manual for the
Engineering Tool.
Item
RUN HLTH
Normal ON ON
operation
Switch OFF Blink
setting error
Down OFF OFF
Note: The memory backup time of the AN712 module varies depending on the ambient
module temperature as follows:
25
Because the information may become lost if power is switched off for a long time, collect
it as soon as possible using the engineering tool.
Remember, however, that the backed up information is RAS data, system log, etc., and
does not include control data. Therefore, operation at restart will not be adversely
affected.
6F8C1048
Table 8-1 Troubleshooting using LEDs
LED indication
SCAN RING CD-A
– ON ON
– – –
– – –
o
C: 20 hours or more
Status
CD-B
ON Normal
– Station address Set switches in the range
switches set
incorrectly
– Module faulty
Contact Toshiba service
8.2Troubleshooting
Step to be taken
–
01 to 7Fh.
Replace module.
office concerned.
95
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