Panasonic PT-EX12KU Operations Instructions download pdf (Page 99)

Troubleshooting

ENGLISH - 99

Maintenance

Troubleshooting

Review the following points. For details, refer to the corresponding pages.

Problem Points to be checked Page

Power does not turn

on.

■

Is the power plug rmly inserted into the outlet? —

■

Is the main power switch turned to

? 44

■

Is the power supplied from the outlet? —

■

Have the circuit breakers tripped? —

■

Is the power indicator <POWER> turned off? 42

■

Is the temperature indicator <WARNING TEMP.> ashing? 87

No picture appears.

■

Is the picture (output) device connected correctly? 36

■

Is the input selection set correctly? 47

■

Is the external device that is connected to the projector working

properly?

—

■

Is the projector being used within the operating temperature range (0˚C

(32˚F) to 40˚C (104˚F))?

115

■

Is the shutter closed? 47

The picture is fuzzy.

■

Is the lens focus set correctly? 46

■

Is the projection distance appropriate? 33

■

Is the lens dirty? 92

■

Is the projector installed perpendicular to the screen? —

■

Is there condensation on the lens? —

The color is pale/

The tint is grayish.

■

Are [Color] and [Tint] adjusted correctly? 60

■

Is the device that is connected to the projector adjusted correctly? —

■

Is the RGB cable damaged? —

The picture is dark.

■

Are [Contrast] and [Brightness] adjusted correctly? 60

■

Is [Image select] adjusted correctly? 59

■

Is [Lamp select] set to [1-Lamp]? 70

■

Is [Lamp power] set to eco mode? 70

■

Is it time for the lamp to be replaced? 96

The remote control

does not work.

■

Are the batteries at? —

■

Are the batteries inserted in the correct direction? 24

■

Is the remote control <ON>/<OFF> switch set to <ON>? 19

■

Are there any obstructions between the remote control and the

projector's remote control sensor?

■

Is the remote control being used beyond its effective operating range? 19

■

Are other forms of light, such as uorescent lights, affecting the

projection?

■

Is the remote control cable connected to the projector? 24

■

Is the remote control operation locked with [Key lock] in the [Setting]

menu?

■

Is [RC sensor] set correctly in the [Setting] menu? 77

■

Has the remote control number been changed? 24, 77

1 2 ... 94 95 96 97 98 99 100 101 102 103 104 ... 118 119

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Panasonic PT-EX12KU Operations Instructions Page 99

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