Panasonic PT-RS30K Service Manual page 51

SECTION 1 SERVICE INFORMATION
LED indication sta-
tus diagnosis
FILTER LED lights
FILTER LED blinks once
FL1/FL2/
FL3/FL4
LIGHT LED blinks 3 times
F65/F66/
F67/F68
LIGHT LED blinks 2 times
LIGHT LED blinks 1 time
Self-
Shutdown detection
Intake temperature sensor for filter
clogged
U04
a Depending on the installed
environment
Filter detection switch
U76
a More than 1 sec.
LD status
a Abnormality on the LD
LD sub version information
a Cannot be obtained 3 times in a
row for every 2 sec.
(1) LD* status
FA8 a Abnormality on LD
FC8 (2) Open failure times of LD for yellow
FH7 or LD for blue.
FH8 a More than 4 open failures on all
of 4 LDs
Lens detection switch
U90
a No lens mounting detected
*1 The threshold values are just reference temperature at operation mode (Normal), floor installed and less
than 1400m altitude. They are depending on the operating mode and installed condition.
Probable cause
Filter clogged
Air filter is not installed
LD goes off, failure of ignition
LD driver board defevtive, fuse deterioration
for power PFC.
Communication error on LD sub board
F65: LD1-B, F66: LD1-S
F67: LD2-B, F68: LD2-S
Open failure
LD deterioration
Projection lens is not mounted
INF-41
<RZ31K/RS30K>
OSD warning, oth-
ers
"CLEAN THE AIR FIL-
TER" warning only
"THE AIR FILTER HAS
NOT BEEN INSTALLED
PROPERLY"
"LD1-B ERROR"
"LD1-S ERROR"
"LD2-B ERROR"
"LD2-S ERROR"
Shutdown if all of LDs
have an error.
-
"LD1-B ERROR"
"LD1-S ERROR"
"LD2-B ERROR"
"LD2-S ERROR"
Shutdown if all of LDs
have an error.
Only all the light source
will be off.