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bigger than before.
9.
Self Inspection and Maintenance
9-1
Before calling Service Person
Warning message will be displayed on the monitor if some problems occur. It
might be operation errors or problems of the instrument. In this case, refer the
following instructions.
If the operation is still not recovered, disconnect the power supply and consult
the dealer.
1.
Message when power on
Message
Cause
Remedy
CHART SENSOR ERROR
Internal error
Turn off the power switch and turn
on again after 10 seconds .If the
message appears again, consult
the dealer.
CHART MOTOR ERROR
IRIS SENSOR ERROR
IRIS MOTOR ERROR
2.
Message on Measuring
Message
Cause
Remedy
TRY AGAIN
TRY AGAIN
Alignment is
improper.
Measure after aligning the pupil and the
alignment mark properly.
Eyelid or eyelashes
are covering the
pupil.
Instruct the examinee to open his or her
eyes wide, or lift up the eyelid lightly with
your fingers and measure again.
When the Mire
Image is odd shaped
because of tears.
Instruct the examinee to open and close
this or her eyes several times and measure
again.
When the Mire
Image is not clear
because the cornea is
dry.
