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SECTION 1 SERVICE INFORMATION
<PT-DZ16K>
6. Troubleshooting
6. 1. Shutdown system
*1:Different values by "number of lamp lit", or "Fan mode", "direction of installation"
－
Bimetallic Thermostat (Manual reset type)
⇒
⇒
152 ℃ or more （G-P.C.B G24）
Check the installation
environment
Ventilation holes are blocked
－
STANDBY/ON
Blinks in red 3 times
－
－
－
－
STANDBY/ON
Blinks in red 1 times
Measured value of Optical module
temperature sensor ⇒ More than 65 ℃ *1
F91/F92
U23
(U13)
H13
U21
(U11)
U24
(U14)
H12
U22
(U12)
Measured value of Exhaust air temperature
sensor ⇒ Below -20 ℃
H11
No response after FPGA configuration
(F91⇒FPGA1/F92⇒FPGA2)
OSD warning, etc
－
Measured value of Optical module
temperature sensor ⇒ More than 55 ℃ *1
「
TEMPERATURE
WARNING」
(Warning:TEMP Red
lights)
Measured value of Intake air temperature
sensor ⇒ Below -20 ℃
Interlock SW status
Open more than 1 second (R3-P.C.B P31)
Measured value of Intake air temperature
sensor ⇒ 48℃ or more
(High altitude:43℃ / Smoke cut:38℃)
Measured value of Optical module
temperature sensor
After power-on, Is below 5 ℃ for more than
5 minutes.
Shutdown detection
Exhaust fan is deterioration,
abnormal
Ventilation holes are blocked
At highlands, high altitude mode
is not set
「
TEMPERATURE
WARNING」
(Warning:TEMP Red
lights)
－
「
TEMPERATURE
WARNING」
(Warning:TEMP Red
lights)
－
－
Ballast block: heatsink
Sensed temperature （RT1）: 100～110℃
Probable cause
Bad connection of each
P.C.Board connector
Intake air temperature sensor
bad connection
Exhaust air temperature sensor
bad connection
Indicator indication
STANDBY/ON
Red lights
TEMP
Red lights
Not lighting or flashing
U91
TEMP
Blinks in red 2 times
High temperature of
environment
Ventilation holes are blocked
Intake air temperature sensor
abnormality
Usage environment temperature
is lower than the rated
Blown out of the fuse
( with some reason )
Rear cover is not installed
Inductor clogging
Something wrong with Ballast
block
Optical module temperature
sensor bad connection
Abnormal installation or
deterioration of liquid cooling
module
Ventilation holes are blocked
At highlands, high altitude mode
is not set
Self-diagnosis
－
－
Power fuse <K-P.C.B>
F9001/F9002（10A/250V）
Measured value of Optical module
temperature sensor ⇒ Below -20 ℃
INF - 23
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