Regarding The Indicator Lamps - Hitachi CP-AW250NM Operating Manual

Troubleshooting

Regarding the indicator lamps

When operation of the LAMP, TEMP and POWER indicators differs from usual,
check and cope with it according to the following table.
POWER LAMP
indicator indicator
Lighting Turned
In
Orange off
Blinking
Turned
In
Green off
Lighting Turned
In
Green off
Blinking
Turned
In
Orange off
Blinking
(discre-
In
tionary)
Red
Blinking
In
Red
Lighting
or
In
Red
Lighting
In
Red
Blinking
In
Red
Blinking
or
In
Red
Lighting
In
Red
Blinking
In
Red
Turned
or
off
Lighting
In
Red
(Continued on next page)
98
TEMP
indicator
Turned
The projector is in a standby state.
Please refer to the section "Power on/off".
off
Turned
The projector is warming up.
Please wait.
off
Turned
The projector is in an on state.
Ordinary operations may be performed.
off
Turned
The projector is cooling down.
Please wait.
off
The projector is cooling down. A certain error
has been detected.
(discre-
Please wait until POWER indicator nishes blinking,
tionary)
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
sufciently cooled down, please make conrmation of
Turned the following items, and then turn the power on again.
• Is there blockage of the air passage aperture?
off
• Is the air lter dirty?
• Does the peripheral temperature exceed 35°C?
If the same indication is displayed after the remedy,
please change the lamp referring to the section
"Replacing the lamp".
The lamp cover has not been properly xed.
Please turn the power off, and allow the projector to
cool down at least 45 minutes. After the projector has
Turned sufciently cooled down, please make conrmation of
the attachment state of the lamp cover. After performing
off
any needed maintenance, turn the power on again.
If the same indication is displayed after the remedy,
please contact your dealer or service company.
The cooling fan is not operating.
Please turn the power off, and allow the projector to
cool down at least 20 minutes. After the projector has
Blinking
sufciently cooled down, please make conrmation
In
that no foreign matter has become caught in the fan,
Red
etc., and then turn the power on again.
If the same indication is displayed after the remedy,
please contact your dealer or service company.
Description