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6.
Others
6.5. Troubleshooting
Situation
In the setting mode, setting
change is not possible.
When the screen enters
the
setting
mode,
PASS
0000
appears
Maximum and minimum
values change.
The settings you have not
altered are changed.
When
maximum
minimum values or active
energy are cleared, the
PASS
0000
appears.
COM on the LCD blinks.
(ON for 0.25 second/OFF
for 0.25 second)
COM on the LCD blinks.
(ON for 1 second/OFF for
1 second)
Possible cause
When
blinks at the bottom left of
the screen, it is in the setting
confirmation mode. Therefore, setting
change is not possible.
The password protection is enabled.
the
display
The values will be cleared if you
change a setting such as phase wire
system, VT/Direct voltage, or CT
primary current.
If you change a setting such as phase
wire system, VT/Direct voltage, or CT
primary current, some items will be
reset to the default settings.
and
The password protection is enabled.
display
Communication
occurring in MODBUS RTU such as
register
address
communication rate setting error.
<When ME-0000MT-SS96 is used>
Communication
occurring in MODBUS TCP such as
header data error or register address
error.
<When ME-0000BU-SS96 or ME-
0000BU25-SS96 is used>
Communication
occurring in ME-0000BU-SS96 or ME-
0000BU25-SS96 such as setting error,
SD memory card error, or battery
voltage drop.
Enter the setting mode to change
settings.
Enter the password you set up. The
factory default password is '0000.'
For details, refer to 5.2.18 Password
Protection Setting.
It is necessary to record the data
before changing the setting.
Change the reset settings to your
settings.
For details, refer to 3.16 Initialization
of Related Items by Changing a
Setting.
Enter the password you set up.
The factory default password is '0000.'
For details, refer to 5.2.18 Password
Protection Setting.
errors
may
be
Check the register address and
communication settings.
error
or
If
communication message is received,
COM will light up.
Check the header data error and
errors
may
be
register address. If a correct MODBUS
RTU
received, COM will light up.
Check the LEDs of ME-0000BU-SS96
or ME-0000BU25-SS96.
errors
may
be
1) LOG LED fast blinking
When the logging item pattern is set to
LP00, an error may be occurring in the
setting data file, which must be stored
in a SD memory card. Check the
setting data file.
2) SDC LED fast blinking
Check if the SD memory card is not
write protected or if there is available
capacity in the SD card.
3) BAT LED lighting
The voltage of the built-in lithium
battery is dropped. The customer
cannot
himself/herself. Accordingly, please
consider the renewal.
100
Solution
a
correct
MODBUS
communication
message
1) LOG.
2) SD C.
3) BAT.
replace
the
battery
RTU
is
by
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