Regarding The Indicator Lamps - Hitachi ED-X31EP Service Manual

6-12 Regarding the indicator lamps

Lighting and flashing of the POWER indicator, the LAMP indicator, and the TEMP indicator have the meanings
as described in the table below. Please respond in accordance with the instructions within the table.
POWER LAMP TEMP
indicator indicator indicator
Lighting Turned Turned
In Orange off
Blinking Turned Turned
In Green off
Lighting Turned Turned
In Green off
Blinking Turned Turned
In Orange off
Blinking (discre- (discre-
In Red tionary) tionary)
Blinking
In Red
Lighting Turned
or
In Red
Lighting
In Red
Blinking
In Red
Blinking Turned
or
In Red
Lighting
In Red
Blinking
In Red
Turned Blinking
or
off In Red
Lighting
In Red
Blinking
In Red
Turned Lighting
or
off In Red
Lighting
In Red
Lighting Alternative
In Green blinking in Red
Lighting Simultaneous
In Green blinking in Red
NOTE • When the interior portion has become overheated, for safety purposes, the power source is automati-
cally turned off, and the indicator lamps may also be turned off. In such a case, press the " " (OFF) side of the
power switch, and wait at least 45 minutes. After the projector has suffi ciently cooled down, please make con-
fi rmation of the attachment state of the lamp and lamp cover, and then turn the power on again.
ED-X31E / ED-X33E (C14B-20)
The projector is in a standby state.
off
The projector is warming up.
off Please wait.
The projector is in an on state.
off Ordinary operations may be performed.
The projector is cooling down.
off Please wait.
The projector is cooling down. A certain error has been detected.
Please wait until the POWER indicator fi nishes blinking, and then perform the proper
measure using the item descriptions below.
The lamp does not light, and there is a possibility that interior portion has
become heated.
Please turn the power off, and allow the projector to cool down at least 20 minutes.
After the projector has suffi ciently cooled down, please make confi rmation of the
following items, and then turn the power on again.
off • Is there blockage of the air passage aperture?
• Is the air fi lter dirty?
• Does the peripheral temperature exceed 35ºC?
If the same indication is displayed after the remedy, please change the lamp referring
to the section "Lamp".
The lamp cover has not been properly fi xed (attached).
Please turn the power off, and allow the unit to cool down at least 45 minutes. After
the projector has suffi ciently cooled down, please make confi rmation of the attachment
off
state of the lamp cover. After performing any needed maintenance, turn the power on
again.
The cooling fan is not operating.
Please turn the power off, and allow the unit to cool down at least 20 minutes. After
the projector has suffi ciently cooled down, please make confi rmation that no foreign
matter has become caught in the fan, etc., and then turn the power on again.
If the same indication is displayed after the remedy, please replace a fan.
There is a possibility that the interior portion has become heated.
Please turn the power off, and allow the unit to cool down at least 20 minutes. After
the projector has suffi ciently cooled down, please make confi rmation of the following
items, and then turn the power on again.
• Is there blockage of the air passage aperture?
• Is the air fi lter dirty?
• Does the peripheral temperature exceed 35°C?
If the same indication is displayed after the remedy, please set the FAN SPEED of the
SERVICE item in the OPTION menu to HIGH.
There is a possibility that the interior portion has become overcooled.
Please use the unit within the usage temperature parameters (5°C to 35°C). After
the treatment, resent the power to ON. If the same indication is displayed after
the treatment, please make sure that the proper cables are connected to each of
connectors E301, E302 and E304 on the PWB assembly MAIN.
It is time to clean the air fi lter.
Please immediately turn the power OFF, and clean or change the air fi lter referring to
the section "Air Filter". After cleaning or change the air fi lter, please be sure to reset
the fi lter timer. After the remedy, resent the power to ON.
Description
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