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INF-18
SECTION 1 SERVICE INFORMATION
5. Troubleshooting
5. 1. Shutdown system
This projector provides the shutdown function to set into the standby mode immediately for product safety when the projector
has the fan operation error or lamp lightning error.
has the fan operation error or lamp lightning error.
LED indication status
Shutdown detection
Probable cause
OSD warning
Not lighting or flashing
Power supply block
Fuse : Rated 6.3A
Fuse : Rated 6.3A
Blown out of fuse (with another reason)
Disconnecting the connectors
Power board failure
Ballast board failure
Disconnecting the connectors
Power board failure
Ballast board failure
－
Thermal fuse
⇒ Over 113ºC
Blown out of thermal fuse (with another reason)
Check usage environment
Disconnecting the thermal fuse
Check usage environment
Disconnecting the thermal fuse
－
Sub-microprocessor communication error
Sub-microprocessor failure
Disconnection the communication lines
Disconnection the communication lines
－
LAMP LED lights
Lamp runtime
⇒ More than 5000 hours
(Shutdown in 10 minutes)
Lamp runtime is over
“REPLACE LAMP IN ** MIN-
UTES, POWER WILL TURN OFF
AND GO INTO STANDBY
UTES, POWER WILL TURN OFF
AND GO INTO STANDBY
MODE
AUTOMATICALLY.”
LAMP LED brinks
(0.5 seconds cycle)
(0.5 seconds cycle)
Lamp igniting error/Lamp goes off
Lamp cover not installed
Disconnecting the connectors
Lamp error/burning
Ballast block error
Disconnecting the connectors
Lamp error/burning
Ballast block error
－
WARNING LED lights
Temperature exceeds a threshold (*1)
Temperature error
－
Sum of the fan voltage level and filter
clogged level (*2)
clogged level (*2)
Filter clogged
－
WARNING LED blinks
(2 seconds cycle)
(2 seconds cycle)
No fan sense signal
Each fan sense signal level
Each fan sense signal level
⇒ The signal is less than 50% of target
level for more than 5 seconds
Disconnecting the connectors
Fan rotation error/ abnormal
Fan control circuit on the main bard has error.
Fan rotation error/ abnormal
Fan control circuit on the main bard has error.
－
Power supply error
Disconnecting the connectors
Board error
Board error
－
*1 It depends on the lamp mode , fan mode or installed environment.
*2 It depends on the various levels of the filter clogged and fan voltage.
*2 It depends on the various levels of the filter clogged and fan voltage.
The count down number 10 to 1
will be indicated in **.
will be indicated in **.
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