www.optoedu.com
18/18
Trouble
Cause
Remedy
2. Mechanics
⑴
too tight of coarse
knob
Tension knot is too tight
Loose it to suitable
⑵
stage slips down
during obverse
Tension knot is too looses
Tight it to suitable
3. Electrical parts
⑴
bulb does not work
There is not power supply
Connect the power supply
The wires do not connect right
Connect it correctly
Faulty setting of bulb
Set the bulb correctly
Bulb burn out
Replace bulb
⑵
Not enough
brightness
Faulty adjusting of brightness
Re-adjust the brightness
Bulb is not standard
Use standard bulb
⑶
bulb always burns
out
Bulb is not standard
Use standard bulb
⑷
light flickered
Bulb is going to burn out
Replace the bulb
The wires do not connect right
Connect it correctly
