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6.4 Trouble Shooting
If the meter fails to operate even with the battery or fuse replacements,
check it twice over according to operating procedure as described in
this manual.
If the meter’s V/Ω input terminal has subjected to high voltage transient
(caused by lightning or switching surge to the system) by accident or
abnormal operating conditions, the series fusible resistors will be blown
off like fuses in order to protect the user and the meter. Most measuring
functions through this terminal will then be open circuit.
In this case, the series fusible resistors and the spark gaps should be
replaced by qualified personnel. Refer to the WARRANTY section for
obtaining warranty or repairing service.
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