Lenovo C400 manual Projector LEDs, Lamp-ready LED number of flashes Explanation

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Table A-1. Troubleshooting (continued)

Problem	Solution

The projector does not respond to	v Direct the remote control towards the remote sensor
the remote control.	on the projector.
	on the projector.
	v Ensure the path between remote and sensor is not
	obstructed.
	v Turn off any fluorescent lights in the room.
	v Check the battery orientation.
	v Replace the batteries.
	v Turn off other Infrared-enabled devices in the
	vicinity.
	v Have the remote control serviced.
There is no sound.	v Adjust the volume on the remote control.
	v Adjust the volume of the audio source.
	v Check the audio cable connection.
	v Test the source audio output with other speakers.
	v Have the projector serviced.
The sound is distorted.	v Check the audio cable connection.
	v Test the source audio output with other speakers.
	v Have the projector serviced.

Projector LEDs

The LED on top of the projector indicates the state of the projector and can help you troubleshoot. There are two-second pauses between the blinking cycles. For more details on LED projector errors, contact your Lenovo representative.

Table A-2. Lamp-ready LED error messages

Lamp-ready LED number of flashes		Explanation

Flashing		Ready- do not press the power button.

1		Front cover fan error

2		Lamp fan error

3		Power board fan error

4		Blower fan error

5		Ballast fan error

Table A-3. Power LED error messages

Power LED number of flashes		Explanation

3		System overheating

4		System interface error

5		Lamp error

6		Fan error. Refer to Lamp-ready LED to determine
		which fan.

7		Lamp cover open

8		DLP driver error.

Appendix A. Troubleshooting A-3

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Contents C400 Wireless Projector User’s Guide Page C400 Wireless Projector User’s Guide Page On-Screen Display menu Appendix G. Electronic emissions Safety information Vi C400 Wireless Projector User’s Guide Power cords and power adapters General safety guidelinesService Batteries Extension cords and related devicesPlugs and outlets Heat and product ventilation CD and DVD drive safetyC400 Wireless Projector User’s Guide Registering your option Xii C400 Wireless Projector User’s Guide Product description Standard Accessories Packing checklistFront angle of projector Projector featuresKeypad on projector Back angle of projectorSide view of the projector Connectors on back of the projectorBottom view of the projector Starting the projector Setting up the projectorTurning off the projector Positioning the projector Zoom max/min Adjusting the image Adjusting the projector level and heightAdjusting the volume Starting a wireless projecting session Using the wireless featuresInstallation Using the projector softwareBinding and Unbinding a Projector Retrieving the property of a projector Status of the projector Wireless software configurationSelecting adapter Remote controller emulation USB image display Buttons of the remote emulation controllerEnding projection Wireless projector system tray iconExit Uninstallation10C400 Wireless Projector User’s Guide Remote mouse control using USB Connecting devices to the projectorConnecting devices Connecting to a computer monitor Cleaning the case MaintenanceCleaning the projector Cleaning the lens2C400 Wireless Projector User’s Guide Using the security slot Resetting the lamp timer4C400 Wireless Projector User’s Guide Before you begin Using the projector featuresFigure below provides an illustration of the remote Using the remote controlOpen Projector and remote control buttonsOperating range Operation descriptionAuto Slide Show/Manual Slide Show Full Screen ModePrevious NextQuality menu On-Screen Display menu controlsNavigating the OSD LanguageSharpness Description Default BrightnessColor Temperature ContrastColor Space Description Default GammaCancel Properties menuAspect Ratio Description Default Vertical positionOptions menu KeystoneSetup menu Frequency Description Default Video typeVideo automatic gain control ProjectionPip Input Information settings menuDescription Default Pip Size Pip PositionProjector wireless configuration Refresh Session Key Enable WEPDisable WEP Wireless Repair10C400 Wireless Projector User’s Guide Troubleshooting information Appendix A. TroubleshootingCommon problems and solutions Tips for troubleshootingOSD Lamp-ready LED number of flashes Explanation Power LED number of flashes ExplanationProjector LEDs 4C400 Wireless Projector User’s Guide Wireless Setting → Enable WEP/Disable WEP Appendix B. Frequently asked questions FAQ’sProperty→ Hardware→ Device Management Hardware→ Device Management is enabled. ThenWireless Setting→ Wireless Repair in the OSD If the prompt No Wlan adapterAppendix C. Specifications 2C400 Wireless Projector User’s Guide Telephone technical support Appendix D. Service and SupportOnline technical support 2C400 Wireless Projector User’s Guide Part 1 General Terms What this Warranty CoversWhat this Warranty Does not Cover Your Additional Responsibilities How to Obtain Warranty ServiceWhat Lenovo Will Do to Correct Problems Exchange of a Machine or PartLimitation of Liability Part 2 Country-unique Terms North America PeruUruguay VenezuelaIndia Cambodia and LaosCAMBODIA, INDONESIA, and Laos PEOPLE’S Republic of China PRC JapanMalaysia NEW ZealandEUROPE, Middle EAST, Africa Emea SingaporeGoverning Law Following Terms Apply to ALL EU Countries European Union EUConsumers Germany EgyptFrance Items for Which Lenovo is Not Liable HungaryIreland United Kingdom SlovakiaTypes of Warranty Service Part 3 Warranty InformationWarranty Period CRU and On-site Service On-site ServiceCourier or Depot Service Customer Carry-In or Mail-In ServiceCountry or Region Telephone Number Worldwide telephone list18C400 Wireless Projector User’s Guide Country or Region Telephone Number Guarantee supplement for Mexico Appendix F. Notices Trademarks Avis de conformite a la reglementation d’Industrie Canada Appendix G. Electronic emissions noticesIndustry Canada Class a emission compliance statement Union Européenne Directive Conformité électromagnétique Unione Europea Directiva EMC Conformidad électromagnética Union Europea Normativa EMCAdditional Compliances Notices Page Part Number 40Y7781