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17.2 Troubleshooting
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Symptom Items to check
Even though the power switch ha
been turned on, the display remain
blank.
・Is the power cord connected securely?
・Is the screen contrast proper? If not clear, see
8.2.9 "Contrast."
The keys do not work.
・Is one of the keys in the pressed state?
・Is the key lock function engaged?
Measured values are unstable.
・Is the frequency of the line being measured
50/60/400 Hz?
・Does the frequency of the line being measured
fluctuate, are there momentary power outages,
etc.?
・In fixed clock mode, does the line frequency
setting match the actual frequency of the line
being measured?
The measurement data is yieldin
unexpected results.
・Are the voltage cord or clamp on sensors hooked
up incorrectly?
・Does the setting for the type of line being
measured match the actual type of the line being
measured?
The floppy disk drive is not operatin
correctly.
・Is the FDD unit connected securely to the power
meter?
・Has the floppy disk been formatted?
・Is the floppy disk in the write-protect state?
The printer is not operating correctly.
・Is the RS-232C interface set properly for use
with the printer?
・Is there paper loaded in the printer?
7.2 Troubleshooting
If the power meter is not operating correctly, check the following items.
If any other problem occurs for an unknown reason, try a system reset, which
restores all of the settings to their factory settings.
For details, refer to section 8.2.13, "System Reset."
Service
If damage is suspected, check the "Troubleshooting" section before contacting
your dealer or Hioki representative.
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