Sanyo PLC-HF15000L Owner's Manual page 146

Chapter 4 Controlling the Projector
Indication of the lamp status
Icon display/background Status
White/Blue
White/Red
Gray/Blue
Gray/Red
Red/Blue with X
Red/Red with X
Indication of the filter status
Icon display/background
Blue
Yellow/Gray
Red/Gray
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Lamp on (Normal)
Lamp on (Lamp is being used over a specified use time, replace lamp
immediately)
Lamp off (Normal)
Lamp off (Lamp is being used over a specified use time, replace lamp
immediately)
Lamp failure (Lamp failure, check lamp condition)
Lamp failure (Lamp failure and lamp is being used over a specified use
time, replace lamp immediately)
Status
Good condition.
Filter is almost clogged.
Filter is clogged. Replace a filter with new one.
* When the projector cannot decode the return from the AMC unit, this
icon also appears.