Read Panasonic PT-TW371R (serv.man3) Service Manual online
INF-16
SECTION 1 SERVICE INFORMATION
<TW371R>
4. 2. 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.
LED indication status
Shutdown detection
Probable cause
OSD warning
Not lighting or flashing
Power supply block
Fuse : Rated 6.3A
Blown out of fuse
(with another reason)
–
Thermal switch
Over 120ºC
Blown out of thermal fuse (with another
reason)
Check usage environment
–
ON(G)/STANDBY(R) LED
blinks in orange
WARNING LED blinks
in red
Lamp cover switch
Shutdown immediately if
switch is OFF
Lamp cover is not installed securely
–
Lamp igniting error
Lamp error/burning
--
ON(G)/STANDBY(R) LED
blinks in orange
WARNING LED is Off
Intake air temperature sensor
Intake air temperature error
Filter clogging
High temperature of environment
Ventilation holes are blocked
Sensor error (IC1902)
–
Internal temperature sensor
A(Panel)
Internal temperature sensor A error
Filter clogging
High temperature of environment
Ventilation holes are blocked
Sensor error (IC1002)
Internal temperature sensor B(Lamp)
Internal temperature sensor B error
Filter clogging
High temperature of environment
Ventilation holes are blocked
Sensor error (IC1003)
–
ON(G)/STANDBY(R) LED
lights in orange
WARNING LED is off
Each FAN LOCK signal
No signal
FAN A (FN3001/FN3002)
Connector disconnection
Fan rotation error
–
Each FAN LOCK signal
No signal
FAN B (FN3003/FN3004)
Connector disconnection
Fan rotation error
–
Each FAN LOCK signal
No signal
FAN C (FN3005)
Connector disconnection
Fan rotation error
–
Detects Power error signal "P-FAIL". Internal power supply line error
–
ON(G)/STANDBY(R) LED
lights in orange
WARNING LED lights
in red
Iris operation error
Iris unit error
Connector disconnection
–
ON(G)/STANDBY(R) LED
lights in green
WARNING LED blinks
in red
Lamp runtime
Over 22 000 hours (It will auto-
matically shutoff in 10 min.)
Lamp runtime is over
Indicate lamp replacing icon
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