Panasonic DLP Projector PT-DZ21KU PT-DS20KU PT-DW17KU Operating Instructions

Troubleshooting
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Maintenance
Troubleshooting
Review the following points. For details, see the corresponding pages.
ProblemsPoints to be checked Page
Power does not turn 
on.
 z Is the power plug firmly inserted into the outlet?
―
 zIs the  switch turned ?
51
 zIs the wall outlet supplying electricity?
―
 zHave the circuit breakers tripped?
―
 zIs the temperature indicator  or the lamp indicators 
/// lit or flashing? 142, 143
 z
Is the lamp unit cover securely installed?
148
 zAre you using...

Troubleshooting 
152 - ENGLISH
Maintenance
ProblemsPoints to be checked Page
The menu screen 
does not appear.
 z Is the on-screen display function turned of

f (hidden)?25, 58
The buttons on the 
control panel do not 
operate.
 z Is the [CONTROL

 PANEL] setting in [CONTROL DEVICE SETUP] set to 
[DISABLE]? 122
 z
Is the  terminal used for contact control?
164
The image does not 
display correctly

.
 zIs the [SYSTEM SELECT

OR] selection set correctly? 70
 zIs there a problem with the video tape or...

Self-diagnosis display
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Maintenance
Self-diagnosis display
A self-diagnosis display which automatically displays errors and warnings, and their details, is placed on the side 
of the projector. (
 page 25)
Self-diagnosis  display Details
Measure
U04 Air filter clog
 z Clean the air filter unit.
U1

1 Intake temperature warning
 zThe ambient temperature is too high.
U12 Optical module temperature warning
U13
Lamp surrounding temperature warning
U14 Low temperature warning z The ambient...

Self-diagnosis display 
154 - ENGLISH
Maintenance
Self-diagnosis  display Details
Measure
F00 Liquid cooling pump R warning
 z When the display does not clear even after switching 
the main power on and of

f, consult your dealer.
F01 Liquid cooling pump G warning
F02 Liquid cooling pump B warning
F11 Shutter error
F12 Dynamic iris error
F13 Air filter unit error
F15 Luminance sensor error
F16 Angle sensor error
F41 Lamp 1 memory error
 z The lamp unit is broken. Consult your dealer

.
F42 Lamp 2 memory...

Self-diagnosis display
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Maintenance
Self-diagnosis  display Details
Measure
F98 Geometric distortion correction board 
communication error
 z
When the display does not clear even after switching 
the main power on and of

f, consult your dealer.
F99 Internal error
FE0 Internal error
FE1 Exhaust fan 1 error
FE2 Exhaust fan 2 error
FE3 Exhaust fan 3 error
FE4 Exhaust fan 4 error
FE5 Intake fan 1 error
FE6 Intake fan 2 error
FE7 Lamp 1 fan error
FE8 Lamp 2 fan error
FE9 Lamp 3 fan error FF0...

Technical information
156 - ENGLISH
Appendix
Technical information
PJLink protocol
The network function of this projector supports the PJLink class 1, and the PJLink protocol can be used to 
perform projector setting and projector status query operations from a computer.
▶■Control commands
The following table lists the PJLink protocol commands that can be used to control the projector
.
CommandControl detailsRemark
POWR Power supply control Parameters
0 = Standby
1 = Power on
POWR? Power supply status...

Technical information
ENGLISH - 157
Appendix
▶■PJLink security authentication
The password used for PJLink is the same as that of the password set for W
eb control.
When using the projector without security authentication, do not set a password for W eb control.
▶zFor specifications regarding PJLink, refer to the Japan Business Machine and Information System 
Industries 

Association website.
URL http://pjlink.jbmia.or.jp/english/
Control commands via LAN
▶■ When W eb control administrator rights...

Technical information
158 - ENGLISH
Appendix
▶zCommand transmission method
Transmit using the following command formats.
Transmitted data
Header
Data sectionTermination 
symbol
Hash value
(“Connecting” (
 page 157)) ‘0’
0x30 ‘0’
0x30 Control command
(ASCII string) (CR)
0x0d
32 bytes 1 byte 1 byte Undefined length1 byte
Received data
Header Data sectionTermination 
symbol
‘0’
0x30 ‘0’
0x30 Control command
(ASCII string) (CR)
0x0d
1 byte 1 byteUndefined length 1 byte
Error response
Error message...

Technical information
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Appendix
▶zCommand transmission method
Transmit using the following command formats.
Transmitted data
Header
Data sectionTermination 
symbol
‘0’
0x30 ‘0’
0x30 Control command
(ASCII string) (CR)
0x0d
1 byte 1 byteUndefined length 1 byte
Received data
Header Data sectionTermination 
symbol
‘0’
0x30 ‘0’
0x30 Control command
(ASCII string) (CR)
0x0d
1 byte 1 byteUndefined length 1 byte
Error response
Error message Termination symbol
“ERR1”
 
Undefined control command...

Technical information
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Appendix
/ terminal
The / terminal of the projector conforms with RS-232C so that the projector can be 
connected to and controlled from a computer.
▶■Connection
When using 1 unit
When using multipl\
e units
Connecting termina\Dls on projector 1Connecting termina\Dls on projector 2
 D\fSub \b\fpin 
(female)  D\fSub \b\fpin 
(male)  D\fSub \b\fpin 
(female)  D\fSub \b\fpin 
(male)Connecting termina\Dls on this device
Computer Computer D\fSub \b\fpin (female)
 D\fSub...