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SECTION 1 SERVICE INFORMATION
< RZ670/RW630 >
6. Troubleshooting
6. 1. Shutdown system
Indicator indication
STANDBY/ON
Red lights
TEMP
Red lights
Not lighting or flashing
Blown out of the fuse
( with some reason )
Main microcomputer boot process error
Air intake port clogging
Something wrong with power
block
DMD temperature sensor bad connection
Connector (DG4/FM2) disconnecting
Temperature sensor failure
Connector disconnection
Cooling pump rotation failure
Power fuse <K-P.C.B>
⇒12A
DMD temperature sensor
⇒ Below -20 ℃
Each ＦＡＮ sense signal
⇒
⇒
No signal
－
－
Power circuit Thermal protector
⇒(CF9000,CF9001): 115±15℃
Probable cause
Intake air temperature sensor bad
connection
Connector (M11/DG18) disconnecting
Temperature sensor failure
－
FPGA initialized or communication error
Signal processing unit circuit failure
－
OSD warning, etc
－
Intake air temperature sensor
⇒ Below -20 ℃
Main software activation error
Shutdown detection
－
－
Connector disconnection
Fan rotation failure
LD2 temperature sensor bad connection
Connector (RT12/RT1) disconnecting
－
STANDBY/ON
Blinks red 3 times
Fan rotation failure
Life time of the fan
－
－
－
Trimming wheel rotation speed
⇒
⇒
Under 100Hz
Rotation problem with Trimming wheel
－
Phosphor1 wheel rotation speed
⇒
⇒
Under 100Hz
Rotation problem with Phosphor1 wheel
－
Formatter Initialization error
DG printed circuit board failure
Cable connection failure
Connector contact failure
Phosphor2 wheel rotation speed
⇒
⇒
Under 100Hz
Rotation problem with Phosphor2 wheel
TEMP
Blinks red 3 times
Each fan sense signal
⇒
⇒
Slower than 70% of target
for more than 5 sec.
LD2 temperature sensor
⇒ Below -20 ℃
Each cooling pump sense signal
⇒
⇒
No signal
Exhaust air temperature sensor
⇒ Below -20 ℃
Exhaust air temperature sensor bad
connection (M11/BR4)
Temperature sensor failure
－
LD1 temperature sensor
⇒ Below -20 ℃
LD1 temperature sensor bad connection
Connector (DR6) disconnecting
－
－
－
Each cooling pump sense signal
⇒
⇒
Slower than 70% of target
for more than 5 sec.
cooling pump rotation failure
Life time of the cooling pump
INF - 2
2
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