Hisense B2B
1
9
Power on testing
9.1
safety testing
Safety testing already done before shipping. If customers want to change wiring and other parts (like change
power cable, increase other electrical parts, etc.), please make safety testing before power-on to check any
short circuit. This operation shall be implemented under the guidance of professional electrical engineer with
multi-meter.
9.2
Power-on procedure
9.2.1
External power supply
Make sure voltage of power supply is compatible with the product before power on.
9.2.2
Switch off power
After switch off, the display is inactive state, the default state is switch on, please shut down and switch off
before maintenance
9.2.3
Display status test
The screen is in blue or playing content in normal condition and the internal fan start running.
