Field Notice: FN - 70173 - CP-8821 - Potential Battery and Battery Compartment Gasket Damage - Workaround Provided

Notice

THIS FIELD NOTICE IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTY OF MERCHANTABILITY. YOUR USE OF THE INFORMATION ON THE FIELD NOTICE OR MATERIALS LINKED FROM THE FIELD NOTICE IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS FIELD NOTICE AT ANY TIME.

Revision History

Revision	Publish Date	Comments
2.2	23-Jun-23	Updated the Workaround/Solution Section and Removed the Upgrade Program Section
2.1	13-Feb-23	Updated the Upgrade Program to Use Support Case Manager (SCM)
2.0	05-Jul-18	Added the Upgrade Program Section
1.0	10-Apr-18	Initial Release

Products Affected

Affected Product ID	Comments
CP-BATT-8821=
CP-BDOOR-8821=

Defect Information

Defect ID	Headline
CSCvi63302	8821 battery damage caused by improperly removing the battery door or battery itself

Problem Description

The Cisco Model 8821 Wireless IP Phone meets IP67 compliance requirements, which means that the phone is sealed to protect the interior components of the device against dust and water. When the phone leaves the factory, it is completely sealed.

The battery compartment should never be opened in a dusty or wet environment. TOOLS AND/OR SHARP OBJECTS SHOULD NEVER BE USED to open the compartment or to remove the battery, as this could damage the gasket and expose the battery and other interior components to environmental hazards that might compromise the performance and life of the device.

If the battery has physical damage, do not continue to use the battery; a battery that is physically damaged might experience a thermal event.

Background

Dirt, oil, or other environmental elements can damage the gasket on the battery compartment cover, which can result in a poor seal. Every time the battery is changed, customers should inspect the gasket for damage and ensure that the battery cover is properly closed.

Problem Symptom

The life and performance capabilities of the phone could be compromised if any of these situations occur:

• The battery is installed incorrectly
• The battery cover is not closed properly
• The rubber gasket on the battery cover is poorly maintained
• The rubber gasket on the battery cover is damaged
• The phone is dropped on a hard surface repeatedly

Workaround/Solution

WARNING: DO NOT USE TOOLS AND/OR SHARP OBJECTS TO OPEN THE BATTERY COMPARTMENT OR TO REMOVE THE BATTERY.

The warranty for the phone will be negated if sharp objects or tools are used.

Complete these steps in order to open the battery compartment on the phone:

1. Push the locking catch to the left in order to release the cover.
   
   
    
2. Lift and remove the cover from the battery compartment.
3. Hold the phone in one hand with the screen towards the palm of your hand.
4. Cup your other hand near the base of the phone.
5. Shake the phone until the battery falls into your hand.
   
   

Warning: If the battery has physical damage, do not continue to use the battery; a battery that is physically damaged might experience a thermal event.​

A label has been added to the battery with instructions to best position the battery in the battery compartment.

If problems persist with the battery or battery door, please request a Return Material Authorization (RMA) replacement using your normal support process for fix on failure.

For More Information

If you require further assistance, or if you have any further questions regarding this field notice, please contact the Cisco Systems Technical Assistance Center (TAC) by one of the following methods:

• Open a service request on Cisco.com
• By email
• By telephone

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