Panasonic PT-D7500U - Manual (Page 93)

93
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)
• 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
Indication of monitor lamp
Name of monitor
lamp
Lamp
indication
Information
High temperature
inside. • Check if the
ventilation port is
blocked.
• Is the room air
temperature too high?
• Check the air filter for
clogging.
Checkpoint
• 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 94).
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 38
and consult the distributor.
• This lamp monitor lights up
when the lamp unit used hours
have reached 1 300 hours.
Request the dealer to replace
the lamp unit.
• Turn off the MAIN POWER
switch using the procedure on
page 40 and consult the
dealer.
• Did you notice a
“REPLACE THE
LAMP” message on
the screen when
turning on the
projector power
supply.
• Some error has
arisen in the lamp
cirsuit.
• Check for fluctuation
(or drop) in the source
voltage.
Indicates the time
for replacing the
lamp unit.
Error is ditected in
the lamp circuit.
Lighting in
red
Blinking in
red
(3 times)
Temperature
monitor
TEMP
Lamp monitor
LAMP1 LAMP2