CHAPTER 11
Troubleshooting
• General troubleshooting, on page 131
• Find call server registration information, on page 132
• Capture a screenshot on the phone, on page 132
• Create a problem report from the phone, on page 132
General troubleshooting
General troubleshooting
The following table provides general troubleshooting information.
Table 42: General troubleshooting tips
SolutionProblem
Your phone has a proximity sensor at the top right. When this sensor is
blocked, the phone screen is black. The sensor is normally blocked by
the face when the earpiece is used to listen to a caller.
If you’re not in a call and you see the message: Close proximity detected.
The sensor may be covered with a finger or paper or something else that
blocks light. If there’s no apparent blockage, clean the area of the sensor.
You’re not in a call and the phone
goes black and displays the
message: Close proximity
detected.
The headset connector may be dirty. If available, blow canned air into
the connector to clear debris. Always point canned air orientation at
glancing angles away from your face and eyes and always wear safety
goggles or glasses when performing this procedure.
Do not use air compressors on the connectors, since they apply too much
force.
While using a standard headset,
you experience a scratchy or
intermittent signal.
Third party application interference can be eliminated by factory reset
and reregistration of a problematic phone. For more details about the
factory reset, see Restoring Factory Defaults in the Cisco Wireless Phone
840 and 860 Deployment Guide.
Third Party Application Conflicts
Cisco Wireless Phone 840 and 860 User Guide
131
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