Sanyo PJLINK PLC-WM4500 - Manual (Page 80)

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The projector is detecting abnormal condition .
Indicators
Projector Condition
POWER
green
LAMP
red
WARNING
TEMP.
red
WARNING
FILTER
orange
P-MANAGEMENT
STAND-BY
blue
LAMP
REPLACE
orange
If the Filter counter reached a time set in the timer setting, a Filter
warning icon (Fig.1) appears on the screen and the WARNING
FILTER indicator on the top panel lights up. Replace the filter
cartridge as soon as possible.
P Note:
Fig.1 will not appear when the Display function is set to Off (p.52), during
“Freeze” (p.30), or No show (p.29).
The filter cartridge is not installed in the projector. Check the filter
compartment to see if the filter cartridge is installed in the projector.
When the filter cartridge is installed and the indicators continue to
light and blink, read the column below.
The projector detects an abnormal condition and cannot be turned
on. Unplug the AC power cord and plug it again to turn on the
projector. If the projector is turned off again, unplug the AC power
cord and contact the dealer or the service center. Do not leave the
projector on. It may cause an electric shock or a fire hazard.
Appendix
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Fig .1 Filter warning icon