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6 Troubleshooting
6. 1. Shutdown system
When something wrong such as stop of fan happens, the projector has a function to be on standby immediately.
Note: In **, count down value of 10 to 1 is displayed .
Optical module error.
Heat sink attachment error.
Clogged ventilator.
high altitude mode is not on.
Heat sink attachment error.
Clogged ventilator.
high altitude mode is not on.
58 degrees
"TEMPERATURE WARNING "
56 degrees "Warning cancel
"TEMPERATURE WARNING "
56 degrees "Warning cancel
LAMP LED blinks once
Filter clogging
Intake window is closed.
Intake window is closed.
Lamp is not installed
Cable for lamp memory has bad contact or
connection.
Cable for lamp memory has bad contact or
connection.
－
TEMP LED blinks once
Clogging temperature sensor:
Over the threshold value
Over the threshold value
No flashing or blinking
Optical module temperature
sensor:
More than 60 degrees
sensor:
More than 60 degrees
TEMP LED Blinks 2
times
(Warning: TEMP LED
lights)
times
(Warning: TEMP LED
lights)
Each FAN sense signal:
Rotation speed is slower than
50% of target for more than 5
Intake air temperature sensor:
More than 48 degree C
(High altitude mode: more than
43 degree C)
Rotation speed is slower than
50% of target for more than 5
Intake air temperature sensor:
More than 48 degree C
(High altitude mode: more than
43 degree C)
Ballast block:
Over 115±5 degrees C
(Returns with 80±15 degree C)
Over 115±5 degrees C
(Returns with 80±15 degree C)
TEMP LED Blinkls 3 times
Optical module temperature
sensor:
After lamp lighting, less than 2
degrees C for more than 5
sensor:
After lamp lighting, less than 2
degrees C for more than 5
No Fan sense signal
STANDBY/ON LED
blinks in red 3 times
blinks in red 3 times
LAMP LED lights
STANDBY/ON LED: Red
TEMP LED: Lights
TEMP LED: Lights
Intake air temperature sensor:
Under -20 degree C
Under -20 degree C
Optical block temperature
sensor
Under -20 degree C
sensor
Under -20 degree C
Lamp memory (EEPROM)
communication:
No response(ACK)
communication:
No response(ACK)
LAMP LED blinks 3 times
Exhaust temperature sensor:
More than 74 degrees C
More than 74 degrees C
Interlock SW
Exhausting fan rotation speed is
slower than 50% of target for
Exhausting fan rotation speed is
slower than 50% of target for
Failed making lamp ON, lamp abnormal
condition
Ballast block faulty
Hot restart
condition
Ballast block faulty
Hot restart
Optical module temperature is low.
Adjust the setting circumstances.
Adjust the setting circumstances.
Monitor LED indication
－
Fan rotation problem
OSD warning
－
Connector is disconnected.
Fan rotation problem
Fan rotation problem
Exhausting temperature sensor
Under -20 degree C
Under -20 degree C
ー
46 degrees (high altitude 41
degrees) "TEMPERATURE
WARNING"
44 degrees (high altitude 39
degrees) "TEMPERATURE
WARNING"
44 degrees (high altitude 39
－
Shutdown detection
70 degrees
"TEMPERATURE WARNING "
68 degrees "Warning cancel"
"TEMPERATURE WARNING "
68 degrees "Warning cancel"
Lamp hours is over 2000 hours.
(Shuts down after 10 min.)
(Shuts down after 10 min.)
Intake air tempereture problem
Filter clogging
High temperature of environment
Intake air window is closed.
Filter clogging
High temperature of environment
Intake air window is closed.
Exhaust temperature error.
Closed ventilator.
Deteriorating exhaust fan.
High altitude mode is not on.
Closed ventilator.
Deteriorating exhaust fan.
High altitude mode is not on.
Lamp usage hour is over the guideline.
Lamp status:
Lamp is off during the status
other than normal one
Lamp is off during the status
other than normal one
－
Connection problem with Intake air
temperature sensor
Faulty temperature sensor
Connection problem with optical block
temperature sensor
Faulty temperature sensor
Connection problem with exhausting
temperature sensor
Faulty temperature sensor
temperature sensor
Faulty temperature sensor
Connection problem with optical block
temperature sensor
Faulty temperature sensor
Connection problem with exhausting
temperature sensor
Faulty temperature sensor
Back cover is not installed.
Replace lamp Power off after **
min
min
ー
ー
－
－
Clean air filter
－
Color wheel rotation speed
under 70Hz
under 70Hz
－
Signal processing unit PCB is faulty
Rotation problem with color wheel
DMD drive circuit initializing
error
error
DMD drive circuit/signal processing block
fault or
bad contact of connectors
fault or
bad contact of connectors
－
FPGA initialized or
communication error
communication error
－
Power fuse 10A 250V
Thermal fuse:
More than 115 degrees Celsius
(automatic restoration type)
More than 115 degrees Celsius
(automatic restoration type)
－
Possible factor
Blown out of the fuse
( with some reason )
( with some reason )
Bimetal is OFF (with some reason)
Setting environment confirmation is
required.
Setting environment confirmation is
required.
Inductor clogging
Something wrong with Ballast block
Something wrong with Ballast block
INF - 17
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