Samsung QE55QN90BATXXH, User Manual

03  Troubleshooting and 

Maintenance

Troubleshooting

For more information, refer to "

Troubleshooting

" or "

FAQ

" in the 

e-Manual.

 >   

Menu

 >   

Settings

 > 

Support

 > 

Open e-Manual

 > 

Troubleshooting

 or 

FAQ

If none of the troubleshooting tips apply, please visit "www.
samsung.com" and click Support or contact the Samsung service 
centre.

•

This TFT LED panel is made up of sub pixels which require 
sophisticated technology to produce. There may be, however, 
a few bright or dark pixels on the screen. These pixels will 
have no impact on the performance of the product.

•

To keep your TV in optimum condition, upgrade to the latest 
software. Use the 

Update Now

 or 

Auto update

 functions 

on the TV's menu (  >   

Menu

 >   

Settings

 > 

Support

 > 

Software Update

 > 

Update Now

 or 

Auto update

).

The TV won’t turn on.

•

Make sure that the power cable is securely plugged in to the 
TV and the wall outlet.

•

Make sure that the wall outlet is working and the remote 
control sensor at the bottom of the TV is lit and glowing a 
solid red.

•

Try pressing the 

TV Controller

 button at the bottom of the TV 

to make sure that the problem is not with the remote control. 
If the TV turns on, refer to "The remote control does not work".

The remote control does not work.

•

Check if the remote control sensor at the bottom of the TV 
blinks when you press the   button on the remote control.

– Standard Remote Control: If it does not blink, replace the 

remote control's batteries. Make sure that the batteries 
are installed with their poles (+/–) in the correct direction. 
Alkaline batteries are recommended for longer battery life.

– Samsung Smart Remote: When the remote's battery is 

discharged, charge the battery using the USB charging 
port (C-type), or turn over the remote to expose the solar 
cell to light.

•

Try pointing the remote directly at the TV from 1.5-1.8 m away.

•

If your TV came with a Samsung Smart Remote (Bluetooth 
Remote), make sure to pair the remote to the TV. To pair 
a Samsung Smart Remote, press the   and   buttons 
together for 3 seconds.

Eco Sensor and screen brightness

Eco Sensor adjusts the brightness of the TV automatically. This 
feature measures the light in your room and optimises the 
brightness of the TV automatically to reduce power consumption. 
If you want to turn this off, go to   >   

Menu

 >   

Settings

> 

All Settings

 > 

General & Privacy

 > 

Power and Energy Saving

 > 

Brightness Optimisation

.

•

The eco sensor is located at the bottom of the TV. Do not 
block the sensor with any object. This can decrease picture 
brightness.

Changing the TV’s password

 >   

Menu

 >   

Settings

 > 

All Settings

 > 

General & Privacy

 > 

System Manager

 > 

Change PIN

Run 

Change PIN

 and then enter the current password in the 

password field. The default password is "0000" (France: "1111").
Enter a new password and then enter it again to confirm it. The 
password change is complete.
If you forgot your PIN code, press the buttons in the following 
sequence to reset the PIN to "0000" (France: "1111"):

•

Samsung Smart Remote: Press 

 (Volume) button. > 

Volume Up

 >   > 

Volume Down

 >   > 

Volume Up

 >  .

•

Standard Remote Control: Press   button. >   (Volume Up) 
> Press 

RETURN

 button. >   (Volume Down) > Press 

RETURN

button. >   (Volume Up) > Press 

RETURN

 button.

04  Specifications and Other 

Information

Specifications

Display Resolution

3840 x 2160

Sound (Output)

BU8/Q6*B/Q7*B Series: 20 W
QN8*B/Q8*B Series (55"-85"): 60 W
Q8*B Series (50"): 40 W
QN9*B Series (43"): 20 W, QN9*B Series (50"): 40 W
QN9*B Series (55"-85"): 60 W

Operating Temperature

10 °C to 40 °C (50 °F to 104 °F)

Operating Humidity

10 % to 80 %, non-condensing

Storage Temperature

-20 °C to 45 °C (-4 °F to 113 °F)

Storage Humidity

5 % to 95 %, non-condensing

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