Humphrey Matrix Visual Field Instrument
39
Rev. D 08/21/06 PN 701692
TROUBLESHOOTING GUIDE
Here is a summary of some common problems you may experience. If you are unable to resolve
the problem using this guide, contact technical service.
Problem
Area to Check
Possible Solution
Humphrey Matrix will not
power up
Check the Humphrey Matrix
power cable connections. Ensure
that the power cord is inserted
firmly in the Humphrey Matrix
power input receptacle. The
receptacle is located underneath
the base of the instrument.
Make sure that the outlet being
used is on. Plug in a known good
device into the outlet and turn that
unit on. If the unit comes on then
you know the outlet is good.
Replace power cord if
defective.
Connect instrument power
cord to a working outlet.
The Humphrey Matrix will
turn on but will not boot up
to the Main Menu Screen.
Turn the Humphrey Matrix OFF
and let sit for 10 seconds. Turn unit
back on and try again.
The Humphrey Matrix will
boot up to the Main Menu
Screen but will not perform
a test.
Turn the Humphrey Matrix OFF
and let sit for 10 seconds. Turn unit
back on and try again.
Perform a Calibration from the
Help (F6) Screen.
Receive message “Not
enough space left on the
disk” message
Check to make sure the disk is not
write protected.
Try a different disk.
Printer will not power on.
Refer to the Printer Information for
troubleshooting help.
Check the power cord connection
at the back of the printer and at
the Humphrey Matrix. Unplug and
reseat the power cord at both
ends.
Press the printer power button
again. The printer will not power
on automatically.
Refer to the Printer
Information for
troubleshooting help.
Replace the printer power
cord if defective.
Replace the printer if
defective.
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