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10.1 Inspection, Repair and Cleaning
Before returning for repair
Maintenance
and Service Chapter 10
10.1 Inspection, Repair and Cleaning
Calibration and repair of this instrument should be performed only
under the supervision of qualified technicians knowledgeable about
the dangers involved.
• If damage is suspected, check the "Troubleshooting" section
before contacting your dealer or Hioki representative.
• If no measurement value is displayed even when the probes are
shorted together, an internal fuse may have blown.
Blown internal fuses are not user-replaceable, so if this occurs,
please contact your dealer or Hioki representative.
Transporting
Pack the instrument so that it will not sustain damage during
shipping, and include a description of existing damage. We cannot
accept responsibility for damage incurred during shipping.
Symptom Check Items Countermeasure
The display does not
appear when you turn
the power on.
Is the power cord disconnected?
Reconnect the power cord.
Keys do not operate.
Is the unit in the key-locked state? Disable the key-lock state.
❖ 5.10 Key-Lock Function (page 67)
Is the instrument being remotely
controlled externally using GP-IB?
Set GP-IB to local.
Is the instrument being remotely
controlled externally using RS-
232C?
Set RS-232C to local.
An error is displayed.
❖ 10.2 Error Display (page 168)
Operation is abnormal.
External electrical noise may occasionally
cause malfunctions. If operation seems
abnormal, try executing a Reset.
❖ 5.14 Reset Function (page 73)
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