Regarding The Indicator Lamps - Hitachi CP-X4020 Operating Manual

Regarding the indicator lamps

When operation of the POWER, TEMP, LAMP and SECURITY indicators differs
from usual, check and cope with it according to the following table.
POWER TEMP
Lighting
Turned
In
off
Orange
Blinking
Turned
In
off
Green
Lighting
Turned
In
off
Green
Blinking
Turned
In
off
Orange
Blinking
(discre-
In
Red tionary)
Blinking
In
Red
Turned
or
off
Lighting
In Red
Blinking
In
Red
Turned
or
off
Lighting
In
Red
(Continued on next page)
LAMP SECURITY
Turned
off
Turned
Blinking
off
In
Yellow Yellow
Turned Turned
off off
Turned Turned
off off
Turned Turned
off off
(discre- Turned
tionary) off
Lighting Turned
In Red off
Blinking
Turned
In
Red off
The projector is in a standby state.
Please refer to the section "Power on/off".
The projector is in a standby state.
The SECURITY INDICATOR is set to ON, and the
PIN LOCK or (and) TRANSITION DETECTOR is
49, 50, 52).
(are) on (
The projector is warming up.
Please wait.
The projector is in an on state.
Ordinary operations may be performed.
The projector is cooling down.
Please wait.
The projector is cooling down. A certain error
has been detected.
Please wait until 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.
• 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 change the lamp referring to the section
"Replacing the lamp".
The lamp cover has not been properly fi xed.
Please turn the power off, and allow the projector
to cool down at least 45 minutes. After the projector
has suffi ciently cooled down, please make
confi rmation of the attachment state of the lamp
cover. After performing any needed maintenance,
turn the power on again. If the same indication is
displayed after the remedy, please contact your
dealer or service company.
Troubleshooting
Description
59