Philips LC4433 User Guide - Page 23

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 guarantee. No sound - Audio cable is not correctly connected. • Connect audio cable correctly. - Volume is not adjusted properly. • Adjust volume. - A/V-mute is active. • Cancel A/V-mute. 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. 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. Note: You can check if the projector receives the signal from the remote control: the ring around the Standby button will indicate this by fast flashing. - The projector is in Off position. • Press Stand by to switch on the projector. Poor colour • Select the correct data input (Computer or Component video) in the Settings menu. • Adjust brightness, contrast, saturation or hue (see 'Display and picture control' under 'Operation'). 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. 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. INDICATORS Lamp indicator - green: normal lamp condition. - orange: lamp life has almost expired (less than 100 hours to go). • See warning messages on the start up screen for details. - red: lamp life has expired. • Replace lamp. See 'Maintenance'. - red (fast blinking): lamp start has failed. • Disconnect projector from the mains. Reconnect and restart. If this does not resolve the problem, replace the lamp. See 'Maintenance'. - slow blinking (green, red or orange): lamp is starting up or cooling down. Temperature indicator - red: temperature error. • The projector will go into Standby mode. Allow the projector to cool down; this may take up to 30 minutes. When the LED goes out press any button to activate the projector again. - fast blinking red: fan error. • The projector will go into Standby mode. Make sure the filter cover is closed properly; 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 button to activate the projector again. Standby indicator (ring around Standby button). - red: standby mode or projector cooling down. - green: operation mode or projector warming up. - fast blinking (red or green): remote control signal received. - slow blinking (green): waiting on retry to start the lamp. • Do not switch the set off; it will restart the lamp automatically within a few seconds. 23