Spectralink 7520 and 7540 User Guide
14158600 Version 10.0
March, 2014 65
Chapter 14: General Information
Troubleshooting
The handset freezes.
• Remove and replace battery pack. Press left softkey to turn on the handset.
The handset does not ring.
• Check whether Silent mode is turned On.
The handset cannot find a system ID at Create Login.
• Check whether the system is set to allow subscriptions.
The handset cannot subscribe even if system ID has been found.
• Check if Authentication Code is necessary.
Not possible to turn on the handset.
• Check if battery is connected. If yes, charge the battery.
The handset turns off when receiving a call and going off-hook.
• Charge the battery. If still a problem change the battery as it might be defective.
Information
Error information
Improper function of the handset might be related to the infrastructure to which the handset is
connected to.
Before declaring a handset for repair be sure that the main system is operating properly.
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