Pelco DX4700, DX4800 manual Table G. Troubleshooting 2

Table G. Troubleshooting (2 of 2)
Symptom	Suggested Action
Video image has a lot of screen noise.	• Verify that the camera’s video output is free of noise.
	• Verify that the camera is operating properly by replacing it with a known,
	working camera.
	• Verify that the input cable from the camera is not damaged and is connected
	correctly to the unit.
	• Verify that the video cable between the camera and unit is the correct type of
	cable.
	• Verify that the video cable is not near a high-voltage cable or any other
	transmitting electrical device.
Sensor device is not operating.	• Verify that the type of sensor in the camera’s sensor setting matches the type
	of sensor connected to the unit.
	• Verify that the unit is properly configured for sensor recording.
	• Verify that the sensor is connected to the ALARM-IN.
PTZ camera is not operating.	• Verify that the unit is configured for PTZ camera operation.
	• Verify that the PTZ camera’s power and data cable are properly connected.
	• Verify that the user has PTZ control permissions.
E-mail sent from the unit was not received at the remote	• If the message “Please check the SMTP information or internet cable”
client even though the unit’s SMTP feature was setup	appears:
correctly.	–	Verify that the unit is configured with the correct SMTP server address.
	–	Verify that unit is configured with the correct SMTP port number. The
		default SMTP port number is 25.
	–	Verify that the unit’s network settings are configured correctly.
	• If the message “Please check the authentication information” appears:
	–	Verify that the sensor’s name is configured correctly.
	–	Verify that the user password is configured correctly.
	• If the email reception failed without issuing an error message:
	–	Verify that the unit is configured correctly with the remote user’s email
		address.
	–	Verify that the remote user’s e-mail is not classified as spam email in the
		receiver's mail setting.
Remote control does not work properly.	• Replace the batteries.
	• Verify that the unit is configured with the correct ID for the remote control.
Some of the unit’s front panel LEDs do not light.	Restart the unit.
The unit does not operate correctly.

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