LG Electronics LRN3040N Series owner manual If you observe any of the following symptoms

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5

Troubleshooting

Troubleshooting

Symptoms	Cause & Solution
	Check the audio recording option is correctly set for the camera you wish to record audio.
Audio data recorded with
	Check the speaker on the rear of system are connected correctly.
video data is not playing.
	Check the connected speaker is working properly.
	Check the type of sensor in the camera setting is the same as with the connected sensor.
The connected sensor is not	Check the system is set to use the sensor in the recording schedule window in the recording setting
operating.	menu.
	Check the sensor is properly connected to the ALARM-IN.
The connected PTZ camera is	Check the user type. The PTZ camera control is not available for a normal user.
not operating.
	E-mail reception failed without SMTP server setting.
	• Make sure the network is correctly set.
	• Make sure the mail address is input correctly.
	• Check the spam mail setting of the input mail address.
	(If you set the spam mail, some mails are deleted automatically or classified in the spam mail box)
	• Some of SMTP mail services do not support an E-mails from private SMTP servers. In this case use the
	public SMTP server.
	E-mail reception failed even if the SMTP server was set.
An E-mail sent from this	• When the [Please check the SMTP information or internet cable] message is displayed.
product was not received.	-- Check the SMTP server address.
	-- Check the SMTP port number. (Default setting is 25)
	-- Check the network settings.
	• When the [Please check the authentication information] message is displayed.
	-- Check the user name.
	-- Check the password.
	• The mail reception failed without error message.
	-- Check the receiver’s mail address.
	-- Check your E-mail is not classified as a spam mail on the receiver's mail setting.
The remote control does not	Check the batteries in the remote control.
work properly.	Check the ID setting for the remote control. (See the page 25.)

NOTE

If you observe any of the following symptoms:

•Some of the front panel LEDs do not light.

•The system does not operate normally.

You can reboot the system as follows:

1.Turn off the system and turn it on again after a few seconds.

2.When the recorder does not work normally after rebooting, contact the service center.