32
TROUBLE
CAUSE
SOLUTION
1. The
lamp
cannot
light
when the switch
is turned on
No power supply
check the connection of
the power cord
The connector of LED lamp is not
properly inserted into the circuit
board
Insert it correctly
The lamp is broken
Replace it
2. The lamp burns
out suddenly
Use a unspecified lamp
The voltage is too high
Use the specified lamp
to replace,if the problem
is not solved, contact
with
maintenance
department
3. The brightness
is not enough
Use a unspecified lamp
The voltage is too low
Use the Specified lamp
Increase the voltage
4. The
lamp
flickers or the
brightness
is
vertiginous
The lamp is going to burn out
Replace it
The connector of LED lamp is not
properly inserted into the circuit
board
Check and insert it firmly
