Troubleshooting
Visual Power Indicators
The 2420 telephone display provides visual indication whether the module has power. To view the power status, select the Options softkey from the 2420 telephone Home screen, and then select the Self Test feature button.
Resolving Problems
If the module is not receiving power or you do not receive dial tone, refer to the following information to resolve the problem.
PROBLEM: MODULE DOES NOT HAVE POWER
1Verify that all cords are securely connected at both ends.
2Verify that the line cord connecting the auxiliary supply to the telephone is an
3Verify that the
PROBLEM: THE MODULE DOES NOT HAVE DIAL TONE
1Verify that the module has power. (Check the visual indicator on the telephone display.)
2Verify that all cords on the module, the
3Verify that the switches on the module are set correctly. For more information, refer to the
4Check with your system manager to make certain that the 2420 telephone has been administered correctly.
5Connect the affected module with another 2420 telephone that has a working module. If the module being tested still does not work, it is faulty.
If the module being tested works with the other telephone, try the working module taken from the other telephone and connect it to the telephone experiencing the problem. If this module does not work, the telephone is faulty.
3
