Using an Approved Power Source
Symptom:
If your phone is having the following issues, check your power supply:
• The phone cannot connect to the network.
• The phone does not start up properly or continues to restart.
Problem:
If you connect the wrong power supply to your phone, such as the power supply for a different or older
phone, it could damage the phone, the phone will not function as expected, and it can void your warranty.
Workaround:
Only use the power supply designed for your phone or check with your system administrator about using
Power over Ethernet.
Test the Hardware
If you're experiencing issues with your phone, your system administrator may ask you to test the phone
hardware.
Test the display, microphones, and speaker. Contact your system administrator for instructions on how to
perform these tests.
Procedure
1. Go to Settings > Status > Diagnostics.
2. Select Test Hardware and select one of the following:
• Audio Diagnostics
• Display Diagnostics
• Touch Screen Diagnostics
• Keypad Diagnostics
Set Log Levels
Your system administrator uses log files to troubleshoot issues with your phone and may ask you to set
the level for log files.
Contact your system administrator before setting a log level for your phone.
Procedure
1. Go to Settings > Basic > Diagnostic Logs > Server Log Level.
2. Choose a log level.
Troubleshooting
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