13.2 Troubleshooting
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If damage is suspected, check the "Before Returning for Repair"(p. 301) section
before contacting your authorized Hioki distributor or reseller.
If abnormal operation occurs, check the following items.
13.2 Troubleshooting
Before Returning for Repair
Symptom
Check Items
The display does
not appear when
you turn the power
on.
• Is the power cord disconnected?
• Are connections made correctly?
• Is the battery pack installed correctly?
Verify that the power cord is
connected properly (p. 44).
Verify that the battery pack is
correctly installed (p. 41).
Keys do not work.
• Is any key being held down?
• Is the key-lock state active?
(A message appears when a key is
pressed while key-lock is active.)
Verify key operation.
Cancel key-lock:
(Hold the
key for three
seconds)
Power does not turn
on.
• Check the AC adapter (if 12 V DC is not
output, the adapter is faulty).
• A power protection component may be
damaged.
Contact your authorized Hioki
distributor or reseller.
Customers should not attempt
to perform parts replacement
and repair.
Contact your authorized Hioki
distributor or reseller.
Unable to establish
communications
between
the Wireless
Logging Station
and a Unit.
• Is the unit turned on?
• Check whether the power
LED (either AC ADAPTER
or BATT) on the measure-
ment unit is lit up.
• Verify that the wireless log-
ger's LCD is on.
• An obstruction may be interfering with
communications between the Wireless
Logging Station and the unit.
• Position the measurement
unit close to the wireless
logging station and verify
that one of the measure-
ment unit's UNIT NO. LEDs
(1 through 7) is lit up.
• Verify that the
(Bluetooth
icon) on the wireless log-
ger's screen is lit up.
• The instrument may not be recognizing the
unit.
• Cycle the Wireless Logging
Station power and check
again.
• Temporarily delete the unit’s
registration, re-register it,
and check again.
• If the measurement unit is already con-
nected to another Wireless Logging Sta-
tion, you will not be able to register it.
Check whether the unit is al-
ready registered with another
Wireless Logging Station and
delete the registration.
Summary of Contents for LR8410-20
Page 1: ......
Page 2: ......
Page 12: ...Contents x...
Page 32: ...Operating Precautions 20...
Page 78: ...2 7 Compensating for Input Circuit Offset Zero Adjustment 66...
Page 122: ...3 10 Viewing and Editing with the All Channel Settings List 110...
Page 138: ...4 3 Marking Waveforms and Searching Marks Search Function 126...
Page 222: ...9 4 Synchronous Measurements with Multiple instruments 210...
Page 316: ...13 3 Disposing of the instrument 304...
Page 360: ...Index Index 4...
Page 361: ......
Page 362: ......
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Page 364: ......