300
Troubleshooting
Symptoms
Check item or cause
Solution/Reference
Open/short/load calibration
or open/short compensation
has an error.
Are you using the instrument in a high-
noise environment?
If you are using the instrument in a high-
noise environment, consider taking the
following measures:
•
Install guards.
•
Separate the sample, measurement
cables, and instrument from the
source of the noise (motor, inverter,
electromagnetic switch, power line,
equipment generating sparks, etc.) or
perform the measurement in a separate
room.
•
Use a power source from an outlet that
is grounded properly.
•
Use a separate power supply from the
device that is generating the noise.
Error beep continues to
sound.
Is the measurement value automatic
output function enabled?
When the measurement value automatic
output function is enabled without
being received by the PC, it causes a
transmission error in the measurement
instrument resulting in continuous
transmission error sounding in case the
internal trigger is activated. Perform the
receive operation on the PC followed
by measurement on the measuring
instrument, or disable the measurement
value automatic output function.
See Communications Commands in the
included LCR Application Disk.
EXT I/O output signal is not
obtained.
You don’t know what type of output circuit
is being used.
The instrument’s EXT I/O functionality
generates open collector output. Connect
the wiring correctly to the open collector.
You are unable to
communicate using RS-
232C.
Are you using a straight cable?
Use a cross cable.
Are you using the wrong COM port?
Check if the settings on the computer’s
match with the connected COM port.
Connect the cable to the proper COM
port.
Check the settings of the computer.
The COM port may be selected at the
OS level, driver level, or within the
application. Check the settings of each.
The computer has no COM port.
Consider using a commercially available
USB/RS-232C conversion cable.
The instrument is unable to communicate
with the application.
Check if the instrument is turned ON.
Turn ON the instrument and complete any
interface connections before launching
the computer application.
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