beautypg.com

Trouble shooting – Hisense HAIO163 163" Full HD HDR All-in-One LED Commercial Display User Manual

Page 24

background image

Problem

No sound or picture

Sound and picture

are disturbed

The screen cannot be

powered on or the power

indicator light is off.

The unit turns off

unexpectedly.

Remote Control is

not working.

There is no sound

when the HDMI in

channel is used.

The internal PC has

no signal.

Before preparing for repair, check according to the table below to see if you can find the cause of the problem.

If you strictly follow the instructions but still can’t resolve the problem, you can turn to professional servicemen for

help.

Check whether standby mode is enabled.

Check if there is a power outage in your area.

Turn on the display and see if the problem is with the signal and control system.

Check whether the power supply is connected.

Check whether the power supply plug is properly connected.

Check whether the power outlet has electricity.

Check whether the AC switch is enabled.

Press the reset switch and start the system again.

Try to find the appliance that affects the LCD monitor and keep it way.

Try plugging the LCD monitor’s power plug into another outlet.

Check if the power cord is connected to the wall outlet, and if the wall outlet is energized.

Check if you have pressed the Power button or Standby button.

Check the volume.

Solution

Remove and insert the HDMI cable again.

Check whether something is obstructng the display’s remote control receiver.

Check whether the bateries in the remote control are installed correctly.

Check whether the bateries need to be replaced.

Trouble Shooting

LED AII-IN -ONE Maintenance

Check whether the internal PC is properly inserted in the slot.

Check whether the intemal PC is in shut down mode.

Press the power button on the internal PC, and manually start up the internal PC.

The maintenance of LED display system mainly includes the maintenance of LED display system, communication

system and power system.

Precautions for LED display screen

Small pitch LED display screens are high-precision, high-density electronic products, which belongs to

precision protection products category. It needs special protections in daily use such as protections from static

electricity, dust, moisture and physical impact.

1. Static electricity

LED is an electroluminescence device, which is very sensitive to current. Human body carries static electricity

which can break down the internal PN junction.Do not touch the LED display screen without wearing gloves.

2. Dust

The LED display screen is designed according to the indoor IP3X standard, but it contains high-density

electronic circuit inside the box. So it is very important that the LED display screen is dust proof and clean it

regularly.

3. Water vapor and oil fume

LED beads surface can not be treated with water proofing due to its density and sizing, Moisture environment

and water vapor can cause short circuit easily which may resulting product failure or even resulting fire that may

burnt the LED display screen in the worst case. Therefore, LED display screen needs protection from water vapor

and moisture.

4. Physical impact

The LED display screen is a very delicate device. It needs protection from any kind of physical impact, as it

may resulting damage to LED beads or circuit board.

19

LED All-In-One User Manual