Some problems will happen in the using of the microscope, you could solve them according the following list. If you cannot solve the problem after checking the entire list, please contact us for assistance.
| *** Optical Part *** |
| # |
PROBLEM |
REASON FOR PROBLEM |
SOLUTION |
| 1． |
The edge of the field of view has shadow or the brightness is asymmetry |
The nosepiece is not in the located position |
Adjust it into the located position |
| The filament Imaging not in center |
Adjusting it to center |
| Stains on the lens (Condenser, Objective, Eyepiece） |
Wipe up |
| 2． |
Stains in View Field |
Stains on the lens (Condenser, Objective, Eyepiece） |
Wipe up |
| Stains on the specimen |
Wipe up |
| The Condenser position is too low |
Loose the condenser locking bolt. Adjust the position of condenser. Screw down the locking bolt |
| 3． |
Low image quality (Low resolution, low contrast) |
No cover slip on the specimen |
Cover the slip |
| The cover slip is too thick or too thin |
Use standard cover slip.Thickness:0.17mm |
| The specimen is reversed |
Reverse back |
| The dry objective is stained with oil (Especially 40X) |
Wipe up |
| Stains on the lens (Condenser, Objective, Eyepiece） |
Wipe up |
| The oil objective is not in oil |
Use oil |
| There is air bubble in oil |
Remove oil |
| Not use the appointed oil |
Use the appointed oil |
| The opening of Aperture diaphragm is too large |
Properly make it smaller |
| Stains on the incidence lens in the binocular drawtube |
Wipe up |
| The opening of Aperture diaphragm is too small |
Properly make it larger |
| Condenser position is too low |
Adjust the position |
| 4. |
One side of image is dark |
The condenser is not in center of the view field, or the condenser is inclined |
Reinstall the condenser and adjust the center carefully by using the condenser adjusting bolt |
| The nosepiece is not in the located position |
Turn it into the required position |
| The specimen is floating on the stage |
Reinforce it reliably |
| 5． |
The image moved when focusing |
The specimen is floating on the stage |
Reinforce it reliably |
| The nosepiece is not in the located position |
Turn it into the required position |
| 6． |
The image takes the yellow slightly |
Not use the color filter |
Use the blue filter |
| 7． |
The bright degree is not enough |
The opening of Aperture diaphragm is too small |
Properly make it larger |
| Condenser position is too low |
Adjust the position |
| Stains on the lens (Condenser, Objective, Eyepiece） |
Wipe up |
| *** Mechanical Part *** |
| # |
PROBLEM |
REASON FOR PROBLEM |
SOLUTION |
| 1． |
Can’t focus when use high magnification objective. |
Slice put reversed.
Cover slice is too thick. |
Reverse back
Using standard cover slice. Thickness: 0.17 mm |
| 2． |
Touch the slice when switch the objective from low magnification to high one. |
Slice put reversed.
Cover slice is too thick. |
Reverse back
Using standard cover slice. Thickness: 0.17 mm |
| 3． |
The specimen move not flowing |
The slice holder not nip the slice firmly. |
Make it firmly |
| 4． |
Two eyes image not in superposition |
The interpupillar distance is not correct |
Adjust the interpupillar distance correctly |
| 5． |
The eyes are uncomfortable |
The diopter is not right |
Adjust the diopter according your sight |
| The bright degree is not properly |
Adjust the voltage of bulb |
| *** Electric Part *** |
| # |
PROBLEM |
REASON FOR PROBLEM |
SOLUTION |
| 1． |
The lamp can’t light |
No power supply |
Check the power cord, and connect them exactly |
| the installation of the bulb is wrong |
Install the bulb correctly |
| The bulb burn out |
Change a new bulb |
| 2． |
The bulb burn out in a high frequency |
Not use a appointed lamp
High voltage |
Use a appointed lamp. If the circumstance still not change, please contact the maintenance part |
| 3． |
The rightness degree is not enough |
Not use a appointed lamp
Low voltage |
use a appointed lamp
Turn up the voltage |
| 4． |
The light glimpse |
The bulb is going to spoil |
Change the bulb |
| The power cord have a poor contact |
Check the power cord, and connect them exactly |
