Panasonic DLP Projector PT-DZ780 PT-DW750 PT-DX820 Operating Instructions

ENGLISH - 161
Chapter 5 Maintenance
This chapter describes methods of inspection when there are problems, ma\
intenance, and replacement of the 
components.  

Chapter 5 Maintenance — Lamp/temperature/filter indicators
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Lamp/temperature/filter indicators
When an indicator lights up
If a problem should occur inside the projector, the lamp indicators /, the temperature indicator 
, and the filter indicator  will inform you by lighting or blinking. Check the status of the indicators 
and manage the indicated problems as follows.Attention
 f When switching of f the projector to deal with problems, make sure to follow the procedure in “Switching of f...

Chapter 5 Maintenance — Lamp/temperature/filter indicators
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Temperature indicator 
Indicator statusLighting in red Blinking in red
(2 times) Blinking in red
(3 times)
Status Warm-up status Internal temperature is high 
(warning).Internal temperature is high 
(standby status).The cooling fan has 
stopped.
Cause
 f Did you turn on the power 
when the temperature 
was low (around 0

  °C 
(32
  °F))?
 fIs the air intake/exhaust port blocked?
 fIs the room temperature high?
 fIs the filter...

Chapter 5 Maintenance — Maintenance/replacement
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Maintenance/replacement
Before performing maintenance/replacement
 fMake sure to turn of f the power before performing maintenance/replacement. ( x pages 55, 61)
 fWhen switching of

f the projector, make sure to follow the procedures in “Switching off the projector” 
(x
  page   61).
Maintenance
Outer case
Wipe off dirt and dust with a soft, dry cloth.
 fIf the dirt is persistent, soak the cloth with water and wring it thorou\
ghly before...

Chapter 5 Maintenance — Maintenance/replacement
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3) Remove the air filter from the air filter case. (Fig. 3)
 fHold (a) of the air filter

, pull up the air filter while pushing in the direction of the arrow .
Cleaning the air filter
Remove the air filter beforehand with the previously described procedure of “Removing the air filter”.
1) Clean the air filter .
 fV

acuum dust from the air filter with a vacuum cleaner.
Attaching the air filter
(b)
(a)
Fig. 1 Fig. 2
Tabs on the air filter
Tabs...

Chapter 5 Maintenance — Maintenance/replacement
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Replacement
Lamp unit
The lamp unit is a consumable component. Refer to “When to replace the lamp unit” (x   page   166) for details 
about the replacement cycle.
When purchasing the optional Replacement lamp unit (Model No.: ET
-

LAD70 (1   pc), ET
-
 LAD70W (2   pcs)), consult 
your dealer.
It is recommended that you request a qualified technician to replace the lamp unit. Consult your dealer .
WARNING
Replace the lamp unit after the lamp...

Chapter 5 Maintenance — Maintenance/replacement
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Note
 fTo predict when to replace the lamp, check the lamp runtime displayed on [LAMP1] and [LAMP2] in [STATUS] (x   page   122). f4
  000 hours is a rough estimate for replacement, and not a guaranteed time\
.
How to replace the lamp unit
Attention
 f When the projector is mounted on the ceiling, do not conduct work while \
your face is near the lamp unit. fMake sure to attach the lamp unit and the lamp unit cover securely . fIf you are...

Chapter 5 Maintenance — Maintenance/replacement
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Air filter
When the dust remains after cleaning, it is time to replace the air filter.
The air filter for the replacement (TMZX5229) is an optional accessory (service part).  To purchase the product, 
consult your dealer.
When replacing the lamp unit, it is recommended to replace the air filter as well.
The optional Replacement lamp unit (Model No.: ET
-

LAD70 (1   pc), ET
-
 LAD70W (2   pcs)) comes with one air filter.
How to replace the air...

Chapter 5 Maintenance — Troubleshooting
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Troubleshooting
Review the following points. For details, see the corresponding pages.
ProblemsPoints to be checked Page
Power does not turn on.
 f Is the power plug firmly inserted into the outlet? ―
 fIs the  switch set to ? 61
 fIs the wall outlet supplying electricity? ―
 fHave the circuit breakers tripped? ―
 fAre the lamp indicators / or the temperature indicator  
lit or blinking? 162
 f
Is the lamp unit cover attached securely? 167
No image...

Chapter 5 Maintenance — Troubleshooting
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ProblemsPoints to be checked Page
Cannot control the 
projector with Art-Net.
 f Are the connections between the twisted-pair-cable transmitter and the projector or 
an external device correctly done? ―
 f
Is [Art-Net SETUP] set to other than [OFF]? 141
 fAre the [NET], [SUB NET], [UNIVERSE], and [ST

ART ADDRESS] settings correct?141
The DIGITAL LINK input 
image is not displayed.
 f Are the connections between the twisted-pair-cable transmitter and...