UM
12070901
Shanghai ONBON Technology Co.,Ltd
BX-YQ3/YQ4/YQ2E controller User Manuel
38
10. Trouble shooting
10.1.
Indicator light
The state indicator is composed of two indicator lights: "power / operation indicator light (green light)", "medium /
fault indicator light (Yellow light)":
Number
Action
Specification
1
Green light flash
Normal
2
Green light always on
SD card gets trouble
3
Yellow light flash in 200ms
U/Flash disk upload the programs
4
Yellow light flash in 2s
4G
network patency
10.2.
FAQ
Number
Phenomenon
Solution
1
Power supply indicator light
does not work
Check the connection of power supply, measure
the voltage of power supply, with normal
voltage.
2
Power supply indicator
not flash
Check the power supply, and check the
connection of modules and the accessories. Get
power supply again.
3
Communicate with software
failed
Check the
parameters setting on
the
software,check the communication line, and
check the communication interface on PC.
4
Controller time error
Open software, correction time again
5
Cannot save the time after
correction time
Change RTC button battery.