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7
Common faults and causes
In case of any fault, please check according to the following list, and try to find out the
reason. If the following solutions cannot solve faults or warming, please cut off the power
supply and contact our after-sales service personnel. Please provide details of faults and
displayed information when contacting.
List of solutions to erroneous
operations
Problem
Possible cause
Solution
Failure to start
up
Failure to connect the power cord to
the power socket correctly
Check whether the connection is
loose.
Put power switch at "○" position
Turn the switch to "
∣
" position
Fuse burn-out
Replace a new fuse of the same
specification and model.
Failure
to
observe
the
targeted eyes
1) Stain on the positioning window
2) Intervention from external lights on
the positioning system
1) Clean the window
2) Isolate the external lights (for
illumination or infrared ray)
Failure to read
data
1) Patient's position is dislocated.
2) Patient's eyes are too far away from
the measurement window.
3) Patient fails to align with the visual
target
4) Patient has extremely dry eyes.
1) Require the patient to stay still
2) Require the patient to put the chin
on the chin rest, and lean the head on
the forehead rest.
3) Require the patient to focus on the
fixation lamp
4) Require the patient to blink a few
times before continuing to measure
No
image
shown
after
opening
the software
Computer system failure, computer
poisoning, or loose wiring.
Reinstall the system, eliminate
antivirus, check the wiring, and
re-plug the cable.
Failure of the
printer
1) Lack of printing papers
2) Printing papers are put in the wrong
direction
3) Failure to use the printing papers
produced by our company
1) Place printing paper
2) Reverse the direction of printing
papers
3) Place printing papers produced by
our company
Failure
to
acquire
the
idealized
images
1) Pupils are shielded by eyelids or
eyelashes
2) The patient wears contact lenses.
1) Require the patient to open the
eyes
2) Require the patient to take off the
contact lenses
Failure to see
the
work
distance point
clearly
1) The intensity of observation lights is
too high
2) Eyes fail to align with the camera
1) Lower the light intensity
2) Adjust the camera to achieve
correct alignment manually
Light
spots
appear in the
images
4.
Orange spots appear around
the images
5.
Light spots on the left sides of
images
1) The distance between the patient's
eyes and equipment is too close.
Move the objective lens to get away
from the patient's eyes
Содержание Kestrel 3100m
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