ViewSonic PJL855 User Guide - Page 16

Problem Solving Chart Phenomena (Check this before contacting Customer Support) Recommended Action Page No. Possible Cause Power cannot be turned on Main Power switch is not ON Power cord is disconnected 60 seconds have not elapsed since the power was turned off Inside the projector is too hot Turn Main Power Switch ON Insert power cord into an AC socket After power is turned off, wait at least 60 seconds before turning power on again Check to see make sure that the ventilation holes are not blocked Clean the air filter Verify that operating enviornment of projector is under 35° C Select correct input source using INPUT button on projector or by accessing the INPUT menu Verify cable(s) are connected correctly Verify cable(s) are connected correctly Press the VOLUME (+) button on the Remote Control Unit Press MUTE button on projector or Remote Control Unit Verify cable(s) are connected correctly On either projector or Remote Control Unit, press MENU button, select BRIGHT, and increase. Adjust COLOR and TINT Adjust BRIGHT(Brightness) and CONTRAST Adjust focus using FOCUS RING Turn Power Switch OFF, wait 45 minutes; then turn power ON again Be sure to follow this procedure in this order: (1) connect mouse cable, (2) power-on projector, (3) turn PC on. Verify that RGB (computer) signal is being input and verify that correct signal is selected (INPUT menu) --either RGB1 or RGB2. 6, 7 7, 10 5 5 7 5, 7 6, 7 5, 9 No picture or sound Input source is not set correctly Wiring to projector is not correct Picture without sound Wiring to projector is not correct Volume is set to minimum Projector is in Mute mode Sound without picture Wiring to projector is not correct Brightness is set to minimum Lens cap is attached Color and Tint are adjusted incorrectly Brightness and Contast are not adjusted correctly Image is out of focus Lamp is not functioning properly Color and Tint are incorrect Picture is dark Picture is not clear LAMP Indicator is lit red* 9 9 7 6 Mouse Emulation feature is not working (using Remote Control Unit as a mouse) Mouse cable was connected after the power was turned on RGB signial was not selected 13 10 ViewSonic PJL855 Troubleshooting 15