10.1 Troubleshooting
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Chapter 10 Maintenance and Service
• If damage is suspected, check the "Troubleshooting" section before contact-
ing your dealer or Hioki representative.
• The fuse is housed in the power unit of the instrument. If the power does not
turn on, the fuse may be blown. If this occurs, a replacement or repair cannot
be performed by customers. Please contact your dealer or Hioki representa-
tive.
• If no measurement value is displayed even when the probes are shorted
together, an internal fuse may have blown.
If the fuse blows, do not attempt to replace the fuse or repair the instrument:
contact your dealer or Hioki representative.
• 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.
Before returning for repair.
Maintenance and
Service Chapter 10
10.1 Troubleshooting
Never modify the instrument. Only Hioki service engineers should disassemble
or repair the instrument. Failure to observe these precautions may result in fire,
electric shock, or injury.
Symptom Check Items Countermeasure
The display does not
appear when you turn
the power on (main
power switch or power
switch).
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.
See "4.7 Key-Lock Function"(⇒ p.66).
Is the instrument being remotely
controlled externally using GP-IB?
Set GP-IB to local.
Is the instrument being remotely con-
trolled externally using RS-232C?
Set RS-232C to local.
An error is displayed.
See "10.3 Error Display"(⇒ p.181).
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