Panasonic KX-NT400 Operating Instructions - Page 183

Troubleshooting, Common Issues and Solutions

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Appendix Troubleshooting If you are experiencing trouble, refer to the information in this section. Before troubleshooting, confirm all connections (see "Connections (Page 147)") 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 Possible Cause & Solution The display is blank. • 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 display is not shown • The LCD's brightness is too low. well. → Adjust the LCD's brightness. The KX-NT400 is not performing properly. • 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. I cannot press the buttons • The screen was not calibrated properly. on the screen. → Perform calibration again. You can perform the calibration from the Display Settings screen. I cannot cancel the Application lock even when I enter the correct password. • 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 KX-NT400 does not • The extension dial lock is set. respond when buttons are → Unlock the KX-NT400. pressed. • The KX-NT400 is connected to an eXtra Device Port. → System programming is required. Consult your dealer. Reference Page 147 Page 113 Page 147 Page 157 Page 168 Page 113 - Page 97 - Document Version 2010-01 Operating Instructions 183

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Troubleshooting
If you are experiencing trouble, refer to the information in this section. Before troubleshooting, confirm all
connections (see "Connections (Page 147)") 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
Possible Cause & Solution
Reference
The display is blank.
•
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.
Page 147
The display is not shown
well.
•
The LCD’s brightness is too low.
→
Adjust the LCD’s brightness.
Page 113
The KX-NT400 is not
performing properly.
•
Cables or cords are not connected properly.
→
Check all connections.
Page 147
•
Your connection settings are incorrect.
→
Consult your administrator to confirm that your settings are
correct.
→
If the problem persists, consult your dealer.
Page 157
•
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.
Page 168
I cannot press the buttons
on the screen.
•
The screen was not calibrated properly.
→
Perform calibration again. You can perform the calibration
from the
Display Settings
screen.
Page 113
I cannot cancel the
Application lock even
when I enter the correct
password.
•
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 KX-NT400 does not
respond when buttons are
pressed.
•
The extension dial lock is set.
→
Unlock the KX-NT400.
Page 97
•
The KX-NT400 is connected to an eXtra Device Port.
→
System programming is required. Consult your dealer.
—
Document Version
2010-01
Operating Instructions
183
Appendix