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4 Troubleshooting
PROBLEM
•
When performing System
Control—Program
Update—Update Program
File (for KX-NS series)
using the Maintenance
Console, the programmes
stored in IP-CSs cannot be
updated.
•
LAN synchronization
diagnosis of LAN Sync fails
after 10 minutes.
•
CS restarts repeatedly.
30
Installation Guide
PROBABLE CAUSE
•
The network is busy.
•
The first 10 minutes of LAN
synchronization diagnosis
is sensitive, so the change
in room temperature may
lead the worse result in
frequently.
•
Settings of both LAN Sync
Group No. and Air Sync
Group No. are "None".
SOLUTION
•
Set the value of Keep Alive Time-Out
to 40 seconds or more for
Slot—V-IPCS4—Card Property (for
KX-NS series).
Notice
Be sure to change the value back
to its previous value after the
update is complete.
•
Try again the LAN synchronization
diagnosis. If it fails repeatedly, the
network jitter is too much.In such case,
reconnect the CS to the switch which
OK CS is connected to , or use
recommended LAN and switch
configuration (refer to
"5.3 Recommended Network
Configuration").
•
Set LAN Sync Group No. or Air Sync
Group No. to other than "None" for
Slot—V-IPCS4—Port Property (for
KX-NS series).
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