ENGLISH - 28
Maintenance
Monitor Lamp indicators
If a problem should occur with the projector, the indicators will inform you. Manage the indicated problems as follow.
1. Confirm the status of all indicators and projector, and switch off the projector in proper way.
2. Find out the cause of the problem by status of each indicator.
3. Follow the instruction for each indication below and solve the problem.
4. Turn on the projector in the correct way and confirm the indicator is not indicating a problem any longer.

LAMP1/LAMP2 indicator

TEMP indicator

Managing the indicated problems

NOTE:
• If no problem is found or the problem remains, do not turn on the projector. Instead contact your nearest dealer.
Lamp
indication Information Check point Remedial measure
Lighting in red Indicates the time for
replacing the lamp unit
• Did you notice a “REPLACE
LAMP” message on the screen
when turning on the projector
power supply?
• This lamp monitor lights up when the lamp
unit used hours have reached 1 800* hours.
Request the dealer to replace the lamp unit.
* 2 800 hours for PT-D5000U only.
Blinking in red
once Lamp unit is not installed.
• Check the lamp unit
compartment.
• Install the lamp unit.
• When lamp unit is installed and still having
the indicator lights, contact to the dealer.
Blinking in red
3 times
Error is detected in the
lamp circuit.
• Did you turn the power back on
immediately after turning it off?
• Wait until the lamp has cooled off, and then
turn on the power.
• Some error has arisen in the
lamp circuit.
• Check for fluctuation (or drop) in
the source voltage.
• Turn off the POWER switch of the projector
properly and contact your nearest dealer.
Lamp
indication Information Check point Remedial measure
Lighting in red
Warm-up status
• Did you turn on the power when
the ambient temperature was
lower than approx. 0 °C (32 °F)?
• Wait about 5 minutes in the current status.
• Install the unit in a location having an
ambient temperature from 0 °C (32 °F) -
45 °C (113 °F).
High temperature inside.
(WARNING)
• Check the ventilation port is
blocked.
• Is the room air temperature too
high?
• Was the temperature warning
indication displayed?
• Remove the object that is blocking the
ventilation port.
• Move the projector to a temperature of 0 °C
(32 °F) - 45 °C (113 °F) and the humidity of
20 % to 80 % (no condensation).
• Turn off the POWER switch of the projector
in proper way and contact the dealer.
Blinking in red
once
The filter is excessively
dirty and the ventilation is
poor.
Blinking in red
twice
High temperature inside.
(Standby condition)
Blinking in red
3 times
Cooling fan has been
stopped.
• Turn off the POWER switch of the projector
in proper way and contact the dealer.
STANDBY(RED)/STANDBY(RED)/
ON(GREEN) ON(GREEN)
LAMPLAMP TEMPTEMP
FILTERFILTER
STANDBY(RED)/STANDBY(RED)/
ON(GREEN) ON(GREEN)
LAMPLAMP TEMPTEMP
FILTERFILTER