6. Other
86
6.6 Troubleshooting
Condition
Possible cause
Solution
Co
m
m
uni
c
a
tion
or
Logg
ing
COM in the LCD screen is
blinking. (Appears for 0.25sec. /
Disappears for 0.25sec.)
MODBUS RTU® communication error as
follows was detected.
・
Communication setting(Slave address, baud
rate, stop bit and parity) was incorrect.
・
Function code was incorrect.
・
Register address was incorrect. etc.
Review the communication setting, the
function code and the register address and so
on.
If the correct query received, COM is lit.
COM in the LCD screen is
blinking. (Appears for 1sec. /
Disappears for 1sec.)
When using ME-0000MT-SS96, MODBUS
TCP® communication error as follows was
detected.
・
MODBUS TCP® application protocol header
was incorrect.
・
Function code was incorrect.
・
Register address was incorrect. etc.
Review the MODBUS TCP® application
protocol header, the function code and the
register address and so on.
If the correct query received, COM is lit.
When using ME-0000BU-SS96, the error as
follows was detected.
・
Setting value set from the SD card was
incorrect.
・
SD memory card error.
・
The battery is low voltage. etc.
Check the LEDs of ME-0000BU-SS96.
1) LOG. LED is blink quickly.
When Setting of Logging-item pattern is LP00,
Setting data file needed to store in SD memory
card was incorrect.
Review the setting data file in SD memory card.
2) SD C. LED is blink quickly.
Check whether the SD memory card is
write-protect and SD memory card capacity is
sufficient or not.
3) BAT. LED is lit.
The voltage of the embedded lithium battery
becomes low.
It is impossible for customer to exchange the
battery. Please consider renewal.
1) LOG.
2) SD C.
3) BAT.
