6.2 Troubleshooting
DF1906
Continued from the previous page
ERR06:RMS
UNAVAILABLE
Amplitude in Vrms cannot be set because the waveform is not a
sine wave.
Vrms for the amplitude display unit cannot be set because the
waveform is not a s ine wave.
ERR07:BUFFER OVER
Set data exceeding 10,000 bytes at a time caused the command
buffer to overflow.
Buffer (256 bytes) for storing response messages overflowed.
6.2 Troubleshooting
If you suspect a problem, take any of the following remedial actions. If the problem still cannot be
resolved, contact NF Corporation or one of our agents.
Description Possible Cause Remedial Action
Power cannot be
turned on
Power source out of the rated
range is used
Use a power source within the rated range
Malfunction due to external
noise, etc.
Install the equipment in a location with good
environmental conditions.
Panel operation is
not possible
Key or [MODIFY] dial is
deteriorated
Contact NF Corporation or one of our agents
for repair
Output value is
abnormal
Warm-up is not sufficient
Allow the equipment to warm up for at least 2
hours after power on
humidity are out of the
performance guarantee range
Use the equipment in an environment within
the specifications
DC offset is applied Set the DC offset to 0 V
Vrms is used for the unit Set Vp-p for the unit
Load option is /50 Ω Set /OPEN for the load option
Does not work as
described in the
instruction manual
Settings are not initialized
(setting memory is not
cleared)
Many of the descriptions presume settings
have been initialized
Initialize the settings
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