Hioki CM7290, Инструкция по эксплуатации, Страница: 60 / 80

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Troubleshooting
5.1 Troubleshooting
Troubleshooting checklist
If you feel that the unit may be malfunctioning, contact your authorized Hioki
distributor or reseller after carrying out the checks below.
Problem Check Solution See
• Power will not
turn on
• Power shuts off
during operation
When AC adapter is used:
p. 28
• Is the AC adapter inserted all
the way into the AC adapter
jack or outlet?
• Insert it all the way in.
• Does the power supply
being used conform to the
designated specifications?
• Use a power supply of the
designated specifications.
• Does the power turn on
with battery power supply
(although not with the AC
adapter)?
• If the power turns on with
battery power supply, the
AC adapter is probably
faulty. Replace it with an AC
adapter of the specified type.
When batteries are used:
p. 27
• Have the batteries run low? • If they have, replace them
with new ones.
• Have the batteries passed
their expiration date?
• If they have, replace them
with new ones.
• Even unused batteries may
not provide sufficient power
due to current discharge.
• Are the contacting portions
of the battery holder
damaged or corroded?
• The unit needs to be
repaired. Contact your
authorized Hioki distributor
or reseller for repair.
indicator
flashes
−
• The batteries have run low.
Replace with new batteries.
p. 14
p. 27
Keys do not work • Is indicator lit? • Keylock function is on.
• Press and hold
[AC/DC
Hz]
and
[RANGE]
keys
simultaneously for one
second to cancel keylock.
−