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12.
Self Inspection and Maintenance
12.1
Before Calling a Service Person
Warning messages will be displayed on the monitor if some problems occur. It might be operation
errors or problems of the machine. In this case, refer the following instructions. If the function is still
not salvaged or recovered, disconnect the power supply and consult the dealer.
(1) Message When Power On
Message
Cause
Remedy
FOG MOTOR FAIL
Internal error
Turn OFF the power switch and turn on again after 10
seconds. If the message appears again, consult the
dealer.
SHUT MOTOR FAIL
NO PAPER
Empty printer
paper
Replace the printer paper. (refer to ‘12.2 Replacement of
printer paper’)
(2) Message On Measuring
Message
Cause
Remedy
RETRY
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 pupil is smaller than the Outer
Alignment Mark.
The minimum pupil diameter that can be
measured is 2.0 mm. Although it is
possible to measure in the bright place,
don’t expose examinee’s eyes to the
direct sunlight or too bright indoor lights to
prevent the contraction of the pupil.
When the examinee has some illness
like cataract.
Observe the eye in SIZE Mode. If cataract
is not severe, measurement can be
performed in the IOL mode.
Examinee has IOL
(intraocular lens) implanted.
Measure in the IOL mode.
When the Mire Image is odd shaped
because of tears.
Instruct the examinee to open and close
his or her eyes several times and measure
again.
When the Mire Image is not clear
because the cornea is dry.
Examinee has strong irregular
astigmatism or corneal disease.
Impossible to measure
AGAIN
Measurement result is not reliable.
Measure again.
OUT+
OUT-
Data was out of valid
measurement range.
Measurement result is unreliable. Please
measure again.
