Troubleshooting; Common Issues And Solutions - Panasonic KX-NT400 Operating Instructions Manual

Appendix

Troubleshooting

If you are experiencing trouble, refer to the information in this section. Before troubleshooting, confirm all
connections (see "Connections (Page 158)") and confirm that the PoE (Power over Ethernet) device or power
outlet to which the KX-NT400 is connected to is receiving power.

Common Issues and Solutions

General Use
Issue
The display is blank.
The display is not shown
well.
The KX-NT400 is not
performing properly.
I cannot press the buttons
on the screen.
I cannot cancel the
Application lock even
when I enter the correct
password.
The KX-NT400 does not
respond when buttons are
pressed.
192 Operating Instructions
Possible Cause & Solution
•
The KX-NT400 is not receiving power.
→
The KX-NT400 is not designed to function when there is
a power failure. Make sure that the device supplying PoE
is receiving power and that the Ethernet cable is properly
connected. If an AC adaptor is connected, confirm that the
AC adaptor is connected and receiving power.
•
The LCD's brightness is too low.
→
Adjust the LCD's brightness.
•
Cables or cords are not connected properly.
→
Check all connections.
•
Your connection settings are incorrect.
→
Consult your administrator to confirm that your settings are
correct.
→
If the problem persists, consult your dealer.
•
An error has occurred.
→
Reset the KX-NT400. When using PoE, disconnect the
Ethernet cable, wait 10 seconds, and then connect the
Ethernet cable again. If using an AC adaptor, disconnect
the AC adaptor from the power outlet, wait 10 seconds,
and then connect the AC adaptor again.
•
The screen was not calibrated properly.
→
Perform calibration again. You can perform the calibration
from the Display / Operation Settings screen.
•
Your extension has been locked by the PBX.
→
To unlock your extension, the PIN and PIN lock for your
extension must be cleared. For details, consult your
manager.
•
The extension dial lock is set.
→
Unlock the KX-NT400.
•
The KX-NT400 is connected to an eXtra Device Port.
→
System programming is required. Consult your dealer.
Reference
Page 158
Page 121
Page 158
Page 165
Page 176
Page 121
—
Page 103
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