11
The eyes is too tired
No diopter adjustment
Adjust the diopter correctly
The brightness is not
suitable
Adjust the voltage of the
lamp
3
、
Electrical Part
Problem
Cause
Solution
The lamp can’t light
when turning on the
switch
No power
Check the connection of the
power cord
The bulb is not inserted
Insert it correctly
The bulb burns out
Replace it
The lamp burns out
suddenly
Use an unstandard lamp
The voltage is too high
Use the specified lamp to
replace, if the problem is not
solved, contact with the
service department
The brightness is not
enough
Use a substandard lamp
Use the specified lamp
The voltage is too low
Add the voltage
The bulb flickers or
the brightness is
vertiginous
The bulb is going to burn
out
Replace it
