NEC IP8800/S3600 Manuale Utente

Pagina di 250
3.   
Troubleshooting Functional Failures in Operation
22
3.2
Problems on MC
3.2.1
"MC:--------" is displayed by entering the show system command 
or the show mc command
When "MC:--------" is displayed by entering the show system command or the show mc command, follow the 
instruction in "
"
Table 3-1: Problems and Actions When "MC:--------" is displayed
3.2.2
"MC not found" is displayed when MC is accessed
When "MC not found" is displayed after the command for accessing to MC has been executed, follow the instruction in 
"
."
Table 3-2: Problems and Actions When "MC not found" is displayed
No.
Failure
Troubleshooting Steps
1
Check to see ACC LED.
When ACC LED is lit in green, it indicates other process might be accessing to MC. After 
the ACC LED lights off, execute the command again. If the ACC LED is not lit in green, 
follow the instructions on No.2 and later.
2
Remove the MC then insert it.
After removing and inserting MC, execute the command again.
Confirm that no dust is attached on the MC or the memory card. If dust is adhere to them, 
clean it with a dry cloth then insert the MC.
If a symptom still occurs after you have removed and inserted the MC for several times, 
follow the instructions on No.3.
3
Replace the MC with a new one.
Replace the MC then execute the command again. 
If a fault still occurs after the MC has been replaced, memory slot card might be broken. In 
this case, replace the BCU [IP8800/S6700], the CSU [IP8800/S6600], the MSU 
[IP8800/S6300], the system [IP8800/S3600], or the system [IP8800/S2400].
No.
Failure
Troubleshooting Steps
1
Check to see ACC LED.
When ACC LED is lit in green, it indicates other process might be accessing to MC. After 
the ACC LED lights off, execute the command again. If ACC LED is not lit in green, follow 
the instructions on No.2 and later.
2
Remove the MC then insert it.
After removing and inserting MC, execute the command again.
Check to see that any dust is not attached on the MC or the memory card. If dust is adhere 
to them, clean it with a dry cloth then insert the MC.
If a symptom still occurs after you have removed and inserted the MC for several times, 
follow the instructions on No.3.
3
Replace the MC with a new one.
Replace the MC then execute the command again. If a fault still occurs after the MC has 
been replaced, memory slot card might be broken. In this case, replace the BCU [IP8800/
S6700]
, the CSU [IP8800/S6600], the MSU [IP8800/S6300], or the system [IP8800/
S3600] [IP8800/S2400]
.