7-4 Maintenance PLZ-U
7.2 Confirming status of the fuse
To increase security of the product, the fuse are installed on the load unit. Those
fuses protects from the effect to the connected device at minimum level causing by
the failure or incorrect use of the product. If the setting current is not flowing prop-
erly, the fuse may have blown off. Please check the following procedure.
1.
Apply the current flow while the loads are connected.
2.
Remove the louver on the front panel of the whole load units, and check
if the LED lights in red.
The LED is located on the left under the variable resistors.
If the LED lights, the fuse may have blown off. In this case, contact your
Kikusui distributor/agent for request of service.
Check for the input voltage and the input current within the rated value. If the mea-
sured value is out of rated range, the LED may lights on even the fuse does not blow
off.
7.3 Calibration
The PLZ-U is shipped after carrying out appropriate calibrations. We recommend
periodic calibration to maintain the performance.
For calibration, contact your Kikusui agent or distributor.
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