162
BEFORE REQUESTING SERVICE
BEFORE REQUESTING SERVICE
AIR CHECK
If a problem is suspected, do the air check.
If the result is "NG[+]" or "NG[-]," call your dealer or TOPCON at the address printed on the
back cover of this manual.
For details about the air check, see "AIR CHECK" on page 111.
CHECKING OPERATIONS
If a problem is suspected, perform checks following the Check List shown below. If the condition is
not improved by the suggested remedy or if it is not described in the list, call your dealer or inquiry
printed on the back cover of this manual.
CHECK LIST
WARNING
Do not open the cover. For repair, contact your authorized
Topcon distributor.
Keep the instrument in a dry place.
Problem: Check point: Remedy: Page:
Monitor screen does not
work.
Power cable is not plugged
into receptacle.
Plug in power cable.
34
Power cable is not plugged
into instrument body.
Plug power cable into instru-
ment body.
34
Power save status is on. Return to normal status. 88
Fuse is burned. Replace fuse. 160
Monitor screen display is not
clear.
The image is dark. Turn brightness control and
adjust monitor screen.
158
Auto measurement is not
possible.
Measuring window needs
to be cleaned.
Clean measuring window.
156
The nozzle and the area
around the nozzle are dirty.
Clean the nozzle and the win-
dow glass inside the nozzle.
157
Condition of patient's eye
is not good.
Do measurement under
manual mode.
105
124
Manual mode is on Change it to auto mode. 100
117
Measurement values have
*
or ( ), or ERROR is displayed.
Measuring window is
stained.
Clean measuring window.
156
The nozzle and the area
around the nozzle are dirty.
Clean the nozzle and the win-
dow glass inside the nozzle.
157
Paper comes out unprinted. Printer paper winding is
reversed.
Set printer paper correctly.
86
Paper does not come out. Printer paper is used up. Supply printer paper. 86
Communication is not possi-
ble.
Setting of communication
format is incorrect.
Reset communication for-
mat.
63
Anomaly in control lever and
other movable components
Leave it as is, and call our
service engineer.
101
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