Delta VFD17AMS43AFSAA - Page 602

Chapter 14 Fault CodesMS300
593
ID
Display on LCD 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.09-04 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.