Delta ME300 Series - Page 429

Chapter 14 Fault Codes and Descriptions
ME300
14-34
No. Display on LED Keypad Fault Name Fault Descriptions
56
Illegal data value
(CE3)
Data value is illegal.
Action and Reset
Action condition When the data length is too long.
Action time Immediately act
Fault treatment parameter N/A
Reset method Manual reset
Reset condition Immediately reset
Record No
Cause Corrective Actions
Incorrect communication command
from the upper unit
Check if the communication command is correct.
Malfunction caused by interference
Verify the wiring and grounding of the communication circuit. It is recommended
to separate the communication circuit from the main circuit, or wire in 90 degree
for effective anti-interference performance.
Different communication setting
from the upper unit
Check if the setting for Pr.09-01 and Pr.09-04 is the same as the setting
for the
upper unit.
Disconnection or bad connection
of the cable
Check the cable and replace it if necessary.
No. Display on LED Keypad Fault Name Fault Descriptions
57
Data is written to read-
only address (CE4)
Data is written to read-only address.
Action and Reset
Action condition When the data is written to read-only address.
Action time Immediately act
Fault treatment parameter N/A
Reset method Manual reset
Reset condition Immediately reset
Record No
Cause Corrective Actions
Incorrect communication command
from the upper unit
Check if the communication command is correct.
Malfunction caused by interference
Verify the wiring and grounding of the communication circuit. It is recommended
to separate the communication circuit from the main circuit, or wire in 90 degree
for effective anti-interference performance.
Different communication setting
from the upper unit
Check if the setting for Pr.09-01 and Pr.09-04
is the same as the setting for the
upper unit.
Disconnection or bad connection
of the cable
Check the cable and replace it if necessary.