Philips LC4341 User Guide - Page 23
Troubleshooting
UPC - 037849911808
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10. Troubleshooting If a fault occurs, first check the points listed below before taking the projector for repair. If you are unable to remedy a problem by following these hints, consult your dealer or service organisation. Warning: Under no circumstances should you try to repair the projector yourself as this could invalidate the warranty. Image is blurred - Image is not focused. • Adjust focus ring. - Distance between projector and screen is not correct. • Adjust the distance between the projector and the screen. - Signal cable is not correctly connected. • Connect signal cable correctly. PROBLEM - POSSIBLE CAUSE • SOLUTION Image is not displayed - Mains lead is not correctly connected. • Correctly connect mains lead. - The filter holder is not installed correctly or is damaged. • Install the filter holder correctly (see 'Cleaning the dust filter' under 'Maintenance'). - Lamp holder cover is not closed correctly or the lamp holder is damaged. • Close the cover correctly (see 'Lamp replacement' under 'Maintenance'). - Signal cable not correctly connected. • Connect signal cable correctly. - The projector is in Off position. • Press Stand by On to switch on the projector. Lamp ceased to operate or does not light up at all (indicator fast flashes red) - Lamp is still hot while the projector attempts to restart the lamp. • Do not switch the set off; it will restart the lamp automatically within a few seconds. - Lamp circuit failure or worn-out lamp. • Take the projector to your nearest Service Centre, or • Replace lamp (see 'Maintenance'). Lamp indicator lights up orange - Lamp life has expired or almost expired (less than 100 hours to go). • See warning messages on the start up screen for details. Standby LED is red and flashing fast - Too high ambient temperature • The projector will go into Standby mode. Allow the projector to cool down; this may take up to 30 minutes. When the LED stops flashing press any key to activate the projector again. Image does not match up with the projected screen - Shift and/or Horizontal size are not adjusted correctly. • Adjust Shift or Horizontal size (See 'Display and Picture control', sections 'Data only' and 'Data and Video/S-Video'). • Activate the auto-image function via the On Screen menu. Picture rolls - Signal cable is not correctly connected. • Connect signal cable correctly. No sound - Audio cable is not correctly connected. • Connect audio cable correctly. - Volume is not adjusted. • Adjust volume. - A/V-mute is active. • Cancel A/V-mute. Caution! Always reduce/check the volume setting of connected amplifiers before switching off A/V mute, to prevent damage to speakers. The projector does not react to commands from the remote control - Distance is too great. • Reduce distance. - Batteries are exhausted. • Replace batteries (see 'Inserting the batteries in the remote control'). - IR sensor is obstructed. • Remove obstacle. - Remote control is not switched on (only trackball remote controle). • Switch on the remote control. - Blocked air inlets/dirty dust filter • The projector will go into Standby mode. Clean air inlets or dust filter and allow the projector to cool down; this may take up to 30 minutes. When the LED stops flashing press any key to activate the projector again. Poor colour - Wrong video system has been selected. • Select the correct video system (see the selection of the video system under 'Operation'). • Adjust brightness, contrast, saturation or hue (see 'Display and picture control' under 'Operation'). 23