Kikusui PLZ1004W, User Manual, Page: 178 / 216

8-16 Maintenance and Calibration PLZ-4W
Symptom 7: The transmission/reception does not work when you
communicate using the program previously used.
Symptom 8: The setting current is not flowing
Symptom 9: When either PLZ164WA or PLZ664WA is used, the
reverse-connection detection (REV) activates by turning on/off of
the DUT.
Check Item
Remedy
Location and Status of the Object Check Result
Is the acknowledge message used? Yes
There is a case that your program targeted at PLZ-4W ROM
version 1.17 or earlier may not work correctly with ROM
version 1.18 or later. In that case, change the Ack setting to
“ON + ^Q”.
Precedure of changing
1. Select “1. Configuration” | “3. Interface” |
“RS232C” from the menu.
2. Press the
▼
CURSOR key several times to
select Ack.
3. Press the ENTER key.
“ON + ^Q” is selected. It is impossible to select “ON +
^Q” with the rotary knob. To select ON/OFF, press the
ENTER key again.
Check Item
Possible Cause Remedy
Location and Status of the Object Check Result
Is the LED located inside of the
unit illuminated? See the 8.2,
“Confirming status of the fuse.”
Yes Fuse blow
Immediately stop the use of the
instruments and request for repair
service.
Check Item
Possible Cause Remedy
Location and Status of the Object Check Result
Do you connect the DC power
supply and the DUT (an open-
close device such as a switch) in
series ?
Yes
The reverse voltage is
applied to the load input
terminal.
Set to avoid the occurrence of
alarm.
See “When the DC power supply
and the DUT are connected in
series, and turning on/off of the
DUT. (PLZ164WA/PLZ664WA
only)“ in section 5.2, “Turning
On or Off the Load.”