10
5. Troubleshooting
SZG series
The performance of the microscope can’t be made fully because of unfamiliar using, this table will give some
advices:
Trouble Cause
Remedy
1. Optical parts
⑴
Brightness too bright or
too dark
Adjustment of brightness is not
correctly
Adjust it correctly
Dirt on specimen
Clean specimen
Dirt on surface of eyepiece
Clean eyepiece
Dirt on surface of objective
Clean objective
⑵
Dirt appears inside of
view field
Dirt on stage
Clean stage
Interpupillary is not right
Re-adjust the interpupillary
Diopter is not right
Re-adjust the diopter
⑶
Double image
Different magnification of both
eyepiece
Use the same eyepiece
⑷
Image is not clear
Dirt on surface of objective
Clean objective
Diopter is not right
Re-adjust the diopter
⑸
Image blur during
focusing
Wrong focusing
Focus again
⑹
Incision image appears
when observe through
eyepiece or TV device
Light path selection lever is not
at right position
Turn it to right position
⑺
Image is not clear on
monitor during focusing
Wrong focus depth of video
device
Re-adjust the focus depth by adjusting
ring on TV adapter
2. Electrical parts
Wrong setting of bulb
Set the bulb correctly
Bulb has burned out
Replace the bulb
Fuse has burned out
Replace the fuse
⑴
Bulb does not work
Dirt on the stage stopped the
light path
Clean the stage
⑵
Bulb burned out
The bulb is not standard
Use standard bulb
Bulb is going to burn out
Replace the bulb
⑶
Light flickered out
The wires do not connect right
Connect it correctly
3. Focusing parts
⑴
Focusing knobs work
stiff
Too tight of the focusing knobs
Loose it to suitable
⑵
Image is not clear by
the focusing arm slipping
down during focusing
To loose of the focusing knobs
Tight it to suitable
