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TROUBLESHOOTING
The lamp fails to light even when the power is turned on. (1)
Connect the power cord to the AC
outlet.
Press the STANDBY/ON button.
No
Does the STANDBY/ON
indicator light in orange?
Yes
Is it possible to operate by
No
using the remote controller
or STANDBY/ON button?
Yes
Connect PC (RS232C) and
A failure has occurred with the
execute diagnosis using self-
switch of OP (1) P.C.B. , U600,
diagnosis program (diag all).
U601 of OP (3) P.C.B. or OP (4)
Refer to "Self Diagnosis and
P.C.B., or CPLD(IC35) or
Error Message".
CPU(IC31) of CSP2 P.C.B.
The LAMP error
indicator flashes in
orange.
The LAMP error
indicator lights in red.
The COVER error
indicator lights in red.
No
Do all indicators indicate
properly?
The TEMP error
indicator lights in red.
Yes
The FAN error
indicator lights in red.
The STANDBY/ON
indicator flashes in
red at high speed.
The STANDBY/ON
indicator lights in red.
Is squeaking sound heard,
indicating that the color wheel
tries to rotate when the power is
turned on?
Yes
The color wheel motor has failed
or there is an error around the
motor driver of FMT P.C.B. or
poor connection of the
connecting cable.
The lamp operation time has
exceeded 2000 hours, using
up its service life. Replace
the lamp.
Remove the lamp and check
the lamp condition.
The lamp cover, filter cover,
cable or connector is not
installed or connected
properly.
Is the lamp bulb burned
The thermistor sensor or
out?
temperature sensor in the air
filter section has failed, is not
connected or fixed properly,
or there is a trouble in the
Yes
intake or exhaust section.
The cooling fan has failed, or
cable or connector is not
connected properly.
Refer to error detection
specifications in the table.
DC power supply error
Connect PC (RS232C) and
check the error message.
Refer to "Self Diagnosis and
Error Message".
No
Internal communication error
Connect PC (RS232C) and
The lamp has failed or
check the error message.
its service life has
Refer to "Self Diagnosis and
been used up. Replace
Error Message".
the lamp.
Disconnect the power
cable once and
reconnect it.
To J1
Judging method
Install a known-good lamp and if it lights properly, it means that
the removed lamp is burned out.
No
No
Is rotating sound of the
color wheel heard when the
power is turned on?
Yes
Is the color wheel heard to
try to rotate when the
power is turned on?
Yes
The color wheel motor has
There is an error or poor
The ballast or control
failed , there is an error around
connection with the connecting
line to ballast is faulty.
the motor driver of FMT P.C.B.,
cable to the color wheel control
or poor connection of the
system of FMT P.C.B., CN
connecting cable.
P.C.B., CSP2 P.C.B. or power
supply.
DPX-1000
No
41
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