Hioki 8423 - Troubleshooting

13.2 Troubleshooting
232
If damage is suspected, check the "Troubleshooting" section before contacting
your dealer or Hioki representative.
If the instrument is not operating normally, check the following items.
If you are still unsure of the cause after checking the above items, try resetting
the system. The settings will be reset to the factory defaults. Also refer to, for
example, "Error Messages and Troubleshooting" and "Index.”
13.2 Troubleshooting
Before Returning for Repair
Symptom Check Item
Nothing is indi-
cated on the dis-
play when the
power is turned on.
• Is the AC adapter connected properly?
• Has the fuse of the power supply unit blown?
The power supply unit of the instrument includes a built in fuse.
If the instrument cannot be powered on, the fuse may have
blown. Contact your dealer or Hioki representative because the
power supply unit is designed in such a way that the fuse can-
not be replaced or repaired by a user.
Unable to commu-
nicate with a com-
puter.
• Is the LAN cable or USB cable disconnected?
• If you are using LAN to connect to the computer directly on a
one-to-one basis, are you using cross cable for the LAN cable?
• If you are using USB to connect, is the USB driver installed?
• Are the IP address, subnet mask, and gateway settings correct?
No measurement
values are indi-
cated on the dis-
play even if
is pressed
• Is the instrument in setting mode?
• Is an indication other than the measurement value (number of
measurement data items, number of event marks, or CF card
remaining space) set?
• Is the "Waiting for Trigger," "Waiting for Pre-trigger," or Waiting
for Data” message displayed?
• Is the measurement channel setting of each channel set to
OFF? Is each of the units connected to the 8423 Memory
HiLogger properly?
Are 9 units or more connected?
There is absolutely
no change in the
waveforms in the
waveform display
area of the applica-
tion software.
• Is an appropriate measurement range set?
• Are the input cables connected properly?
Unable to save to
the CF card.
• Are you using Hioki's optional CF card (PC card)?
• Is the CF card inserted properly?
• Was the cover closed after inserting the CF card?
• Is the CF card formatted?
• Is the CF card remaining space insufficient?
A very different
date and time are
displayed at power
on.
• The life of the backup battery is approximately 10 years. A very
different date and time at power on indicates that it is time to
replace the battery. Contact your dealer or Hioki representative.