Panasonic PT_AT6000E, Service Manual

Page: 21 / 75

6. Troubleshooting
6. 1. Summary of shut down system
Value "**" is changed by "Lamp mode", or "Fan mode" and "Setting attitude"
－
Connection problem with Intake air
temperature sensor.
Faulty temperature sensor.
－
－
－
－
Lamp unit cover is not installed.
Blown out of the fuse
(with some reason)
Iris unit abnormal
Iris drive circuit abnormal
Communication line is disconnection
in A-P.C.Board.
Connector is disconnected
Fan abnormal
Fan speed abnormal
Over 3800 hours
=> “Replace lamp"
Lamp hours
=> Over 4000 hours
(Shouts down after 10
minutes.)
Intake air temperature error
High temperature of environment
Intake air window is closed
Exhausting air temperature error:
Closed ventilator
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
Intake air temperature sensor:
=> More than 43 degrees C
"Air filter cleaning"
When the abnormality of the lamp and the abnormality of the fan occurred, possess a shut down function to make a
standby state for safety promptly.
Monitor LED indication OSD Warning Indication
－
Presumed Factor
Blown out of the fuse
(with some reason) Power fuse
=> 8A 250V
Shut down Detection
LAMP LED Lights
Intake air temperature sensor:
=> Under -36 degrees C
Exhaust air temperature
sensor:
=> More than 79 degrees C
Filter air temperature
sensor:
=> More than threshold
** degrees C
Exhaust air temperature
sensor:
=> Under -36 degrees C
LAMP indicator
Flashing red
TEMP indicator
Flashing red
No FAN sense signal
Each FAN sense signal:
=> Rotation speed is slower
than 50% of target for
more than 10 seconds.
－
All indicator Illuminating
Interlock SW
=> Abnormal :OFF
No flashing or blinking
－
Thermal fuse
=> More than 105 degrees C
IRIS sense signal
=> Unresponsiveness is more
than 1 minute
IIC bus
=>FPGA initialized error
=>Communication error
－
Failed lamp ON,
lamp abnormal condition
Ballast block faulty,
Hot restart
－
Connection problem with Exhausting air
temperature sensor.
Faulty temperature sensor.
Filter clogging
Closed Intake
High altitude mode is not on
More than 41 degrees C
=>“TEMPERATURE WARNING"
lower than 39 degrees C
=> Warring cancel
More than 77 degrees C
=>“TEMPERATURE WARNING"
lower than 75 degrees C
=> Warring cancel
INF - 15