Panasonic PT-DW7700 ENG - Manual (Page 98)

98
Indication of monitor lamp
Three monitor lamps are provided at the top of main unit front to inform the user of the lamp replacement time and
unusual internal temperature. These lamps indicate the degree of abnormality by combination of blinking and/or
lighting lamps. Turn off the power and take the proper measure according to the table below.
Lamp 2 monitor (LAMP2)
Lamp 1 monitor (LAMP1)
Temperature monitor (TEMP)
TEMP LAMP1 LAMP2
POWER
• Be sure to observe the procedure (How to turn “ON” and “OFF” the power supply) on page 39–40
when performing power supply operation to take a measure to the indication of temperature
monitor (TEMP) lamp and lamp monitor (LAMP) lamp.
Attention
Name of monitor
lamp
Lamp
indication
Information
High temperature
inside. (WARNING) • Check if the
ventilation port is
blocked.
• Is the room air
temperature too high?
• Check the air filter for
clogging.
Warm-up status
• Did you turn on the
power when the
ambient temperature
was low (approx. 0
°C)?
Checkpoint
• Wait about five minutes in the
current status.
• Install the unit in a location
having an ambient
temperature from 0 to 40 °C.
• Remove the object that is
blocking the ventilation port.
• Move the projector to a
temperature of 0 to 40 ˚C and
the humidity of 20 to 80% (no
condensation).
• Turn off the MAIN POWER
switch using the procedure on
page 40 and clean the air filter
(refer to page 99).
Lighting in
red
(lamp unit
ON)
Remedial measure
Blinking in
red
(2 times)
High temperature
inside
(Standby condition)
Blinking in
red
(3 times)
Cooling fan has
been stopped.
• Turn off the main power supply
(MAIN POWER) switch in the
procedure shown on page 40
and consult the distributor.
• This lamp monitor lights up
when the lamp unit used hours
have reached 1 300 hours
(3 800 hours when Long Life
Lamp Units are used).
Request the dealer to replace
the lamp unit.
• Wait until the lamp has cooled
off, and then turn on the
power.
• Did you notice a
“REPLACE THE
LAMP” message on
the screen when
turning on the
projector power
supply.
• Did you turn the
power back on
immediately after
turning it off?
• Turn off the MAIN POWER
switch using the procedure on
page 40 and consult the
dealer.
• Some error has
arisen in the lamp
circuit.
• Check for fluctuation
(or drop) in the source
voltage.
Indicates the time
for replacing the
lamp unit.
Error is detected in
the lamp circuit.
Lighting in
red
Blinking in
red
(3 times)
Temperature
monitor
TEMP
Lamp monitor
LAMP1 LAMP2