Troubleshooting - Philips cBright Series User Manual

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.
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.
– 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').
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.
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.
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.
23
Caution!