![Nidek Medical HandyRef-K Operator'S Manual Download Page 112](http://html1.mh-extra.com/html/nidek-medical/handyref-k/handyref-k_operators-manual_1688062112.webp)
106
PARAMETER SETTINGS AND MAINTENANCE: Maintenance
4.2
Maintenance
4.2.1
Troubleshooting
Should the device function improperly, attempt to correct the problem according to the following table
before contacting NIDEK or your authorized distributor.
∗
If the symptom is not corrected by the above actions, contact NIDEK or your authorized distributor.
When
Remedy
The LCD does not turn on.
•
Check whether the battery pack is inserted properly.
“2.4.1 Removing and installing the battery pack” (page 25)
•
The battery may be discharged. Check the battery pack charge.
The screen disappears sud-
denly.
•
The auto-off function may have activated. Press the power button.
•
The battery may be discharged. Check the battery pack charge.
Printing does not start.
•
Check the printer paper. If the paper has run out, load new printer paper.
When a paper jam occurs, remove the paper roll and reload it.
“2.4.5 Setting the printer paper” (page 31)
•
The
parameter may be set to “NO”. Select “MAN-
UAL” or “AUTO”.
•
In case of IR communication, the distance between the main body and
station may be too great. Press the print button when the main body is
within 1 m from the IR receptor B of the station.
•
The setting between the main body and station may not have been com-
plete. Connect the main body and station by the connection cable and
perform SET STATION again.
The printer operates, however,
printed results cannot be
obtained.
•
The printer paper may be loaded with the incorrect side up.
Set it with the correct side up.
The auto shot function does not
work.
•
Room illumination or sunlight may be reflecting off the cornea.
Eliminate the light or change the patient position and try measurement again.
•
For patients who have severe eye nystagmus, perform measurement in
Quick measurement mode.
“3.7.1 Quick measurement mode” (page 62)
The date and time settings are
incorrect.
•
The battery may be discharged.
•
Insert a charged battery pack then set the date and time settings again.
“4.1.5 Setting the date and time” (page 104)
Measurement is not possible.
•
The patient may have blinked during measurement. Instruct the patient
not to blink and try measurement again.
•
The eyelid or eyelashes may obstruct measurement. Instruct the patient
to open their eye wider. If the patient cannot open wider, gently lift the
patient’s lid, paying attention not to press against the eyeball.
•
The pupil may be too small for measurement. Have the patient sit in a
darkened room for a while until the pupil enlarges enough and try mea-
surement again.
•
The data may exceed the measurable limit.
Data cannot be output to exter-
nal computer.
•
Check the network setting.
•
The setting between the main body and station may not have been com-
plete. Connect the main body and station by the connection cable and
perform SET STATION again.